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6958104 |
Sports racket with undulations in frame interior surface
A sports racquet comprises a handle and a frame coupled to the handle. The frame includes an inner portion and an outer portion located substantially opposite the inner portion. The inner portion...
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6761651 |
Aluminum tennis racket
An aluminum tennis racket includes a head, a shaft and a handle. The head and the shaft are made of hollow aluminum tubing with a series of ripples. The ripples are defined on a sidewall of the...
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6440016 |
Racket of a metal tube combined with fiber material
A racket of a metal tube combined with fiber material includes a metal frame having a hollow interior and two free ends with sloped end surfaces respectively inserted in with an air-filling tube...
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6254501 |
Metal racket
A metal racket includes a shock removing member, a frame and a handle. The shock removing member has a fitting hole for a lower end of the frame having two shaft rods to fit through and into a...
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5642881 |
Tri-hollow racket with traverse ribs
A racket frame of extruded aluminum with a common cross-section along its entire length. The frame has free ends with frame portions adjacent to the free ends shaped parallel with each other to...
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5551689 |
String suspension and frame construction for sports rackets
A sports racket which is made by joining longitudinal sections of a racket, particularly half sections of a racket, along a plane parallel to the center plane through the playing surface of the...
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5527185 |
Athletic training device
An athletic training device comprising a base, an upright supported by the base, and a planar training shape simulative of a human athlete, including head, torso, arms and legs, mounted on said...
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5460370 |
Structure of racket
A structure of racket comprises generally an oval shaped head, a throat and handle, which is shaped by a tubular metal having an olive shaped cross section having a rectangular groove centrally...
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5358261 |
Metal racket frame
A metal racket frame includes an integrally formed hollow looped head portion with an inner peripheral wall and an outer peripheral wall that is thicker than the inner peripheral wall by about 0.1...
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5184818 |
Metal racket
A metal racket includes a hollow looped head portion having a cross-section lying on a plane perpendicular to a string web held by the looped head portion. The cross-section includes a convex outer...
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4441713 |
Metallic tennis racket with torsion-resistant handle
A racket of the type formed from a single metallic profile, shaped so as to define the frame, the throat-piece and the tail of the racket, the tail being defined by two mutually parallel ends of...
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4299348 |
Method of making a game racket
A game racket includes a generally oval head section and a handle section extending from the head section. A plastic brace is secured in the head section to complete the ovality of the head...
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4290604 |
Racquetball racquet having a metal frame meshable with a throat piece
A racquetball racquet having a metal frame is disclosed, wherein increased stiffness in the metal frame is provided by a grooved contact between the inner surfaces of the frame comprising the outer...
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4265450 |
Metal racketball rackets
A racketball racket comprises a metal frame in the form of a single strip of metal of substantially uniform cross-section bent intermedially to provide a head portion that defines the striking area...
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4247103 |
Tennis racket
A tennis racket construction comprising a frame having an ovaloid head portion terminating in a pair of closely spaced parallel extensions which are adapted to receive a handle with the head...
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4176841 |
Tennis racket
A tennis racket has a frame comprising a hollow titanium profile curved to form a loop and two generally parallel legs held together by a handle, the legs being bridged by a web complementing the...
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D253418 |
Game racket
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3917267 |
Tennis racket
A tennis racket is formed with a frame having a generally square head and a stem depending therefrom. The racket is strung so that each string length spanning the head extends perpendicularly from...
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3912268 |
Game racket
An aluminum game racket comprises a continuous extruded channel bent to form head, throat and handle portions of the racket. Opposed, parallel, closely spaced legs of the channel forming the handle...
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3899172 |
Tennis racket having improved strength factor
A novel tennis racket structure is set forth. The combination of novel frame strip, plastic throat piece structure, grommet means and handle structure provide an improved racket having improved...
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3844556 |
YOKE CONSTRUCTION FOR GAME RACKET
There is disclosed herein a game racket having a frame made of metal tubing formed into a loop portion, convergent throat portion, and parallel spaced handle portions which project from the throat...
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3810620 |
SPORTS RACKET
A frame for a sports racket comprising a pair of adhesively united metallic stampings and a handle for same. Each stamping is made from a metallic blank initially shaped similarly to the outline of...
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3809402 |
TENNIS RACKETS AND FRAMES THEREFOR
The invention concerns tennis rackets whose frames are formed from steel tube (so called "steel tennis rackets") of enhanced rigidity which gives them superior playing properties. This rigidity can...
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3801099 |
TENNIS RACQUET
An improved tennis racquet constructed of magnesium, beryllium or other metal with a low ratio of weight to stiffness and strength wherein the elliptical head of the racquet is disposed so that the...
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3796513 |
HIGH DAMPING BLADES
A rotating turbine blade having an elongated depression disposed lengthwise along a concave surface forming an airfoil shaped portion of the blade and a high damping material disposed in the...
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3762734 |
SKIS
The specification describes a ski with an elongated hollow girder made up of two shells. The two shells are generally U-shaped and have approximately parallel surface parts, with a facing of at...
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3752478 |
RACKET FRAME
A tennis or the like game racket having a frame of extruded aluminum provided with a tri-hollow cross-section enabling the frame to be reduced in weight without detracting from the strength of the...
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3633910 |
TENNIS RACKET HANDLE HAVING LONGITUDINAL DISPLACEMENT
The invention refers to tennis rackets in which the frame is formed of two superposed tubes or rods bent to the desired shape, each comprising a pair of rectilinear parallel extensions, the two...
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3612526 |
RACKET WITH METAL I-BEAM FRAME
A racket and the like formed of a frame member made of a single continuous strip of aluminum or like material having a substantially I-shape in transverse cross section forming an outer channel and...
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3582072 |
RACKET HANDLE
A racket for tennis or like games having a metal tubular frame bent to provide a loop and depending handle arms, brace means interconnecting the arms adjacent their lower ends, grip members...
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3546769 |
METHOD FOR MAKING METAL COMPOSITES
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3540728 |
RACKET WITH METAL FRAME WELDED TO HANDLE SLEEVE
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3501148 |
TENNIS RACKET HANDLE
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3487518 |
METHOD FOR MAKING A REINFORCED STRUCTURAL MEMBER
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3431626 |
METHOD OF MAKING A RACKET FRAME
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3046853 |
Manhole closure
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D235892 |
Title is not available
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3702701 |
Title is not available
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3702189 |
Title is not available
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3664668 |
Title is not available
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3605252 |
Title is not available
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3568290 |
Title is not available
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