Title:
Collapsible boundary frame for games
United States Patent 3226118
US Patent References:
/0814367.html
- - 0814367

/1205101.html
- - 1205101

Number-plate frame
- - 1595648

Game
- - 2017536

Tube connecting device
- - 2557766


Inventors:
Nehl, George J.
Publication Date:
12/28/1965
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Assignee:
Earl, Bergquist
Charles, Goble L.
Elizabeth, Goble A.
Primary Class:
473/414
Other Classes:
403/306, 403/300, 403/174, 403/259, 403/173, 403/402, 446/123
International Classes:
A63B71/00
US Patent References:
2891793Game field delineator
3107095Game apparatus
3118694Coupling devices for joining tubular members to structural elements
3136545Portable appliance for delineating a playing field for the game of hopscotch
Foreign References:
DK20642A