Mouth guard
United States Patent D623357

Manzo, Joseph S. (Lansdale, PA, US)
Ju, Lin C. (Taoyuan, TW)
Application Number:
Publication Date:
Filing Date:
Brain-Pad, Inc. (Conshohocken, PA, US)
Primary Class:
International Classes:
(IPC1-7): 2902
Field of Search:
D29/176, D29/108, D29/180-181, 128/848, D29/122, 602/902, 2/445, 433/6, 128/859, 2/9, 2/424
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US Patent References:
D611658MouthguardMarch, 2010ManzoD29/108
D593714Mouthguard with incorporated breathing holesJune, 2009HirshbergD29/108
7404403Oral applianceJuly, 2008Farrell128/859
D554259Oral appliance trayOctober, 2007Diacopoulos et al.D24/181
D548403MouthguardAugust, 2007Manzo et al.
D537986MouthguardMarch, 2007Manzo et al.
D537987MouthguardMarch, 2007Manzo et al.
D532559MouthguardNovember, 2006Manzo et al.
D529615Novelty mouthpieceOctober, 2006AtzD24/181
D530863MouthguardOctober, 2006Manzo et al.
D527848MouthguardSeptember, 2006Manzo et al.
D526093MouthguardAugust, 2006Manzo et al.
D526095MouthguardAugust, 2006Manzo et al.
D525749MouthguardJuly, 2006Manzo et al.
D523994Mouth guardJune, 2006ManzoD29/108
D509028MouthguardAugust, 2005Farrell
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D493578MouthguardJuly, 2004Manzo et al.
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6584978Mouthguard and method of makingJuly, 2003Brett et al.
D473976Mouth guardApril, 2003Wilkens
6494210Method of advertising with a mouthguardDecember, 2002Mams
6491036Low-density polyethylene dental appliance and mouthguard with nucleating agentDecember, 2002Cook128/859
D452011Single airway mouth guardDecember, 2001Redhage
D434501Dual airway mouth guardNovember, 2000Redhage
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4977905Protective mouthguard assemblyDecember, 1990Kittelsen et al.
4944947Therapeutic dental applianceJuly, 1990Newman
4791941Athletic mouth guardDecember, 1988Schaefer
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4370129Tooth positioner with harder areasJanuary, 1983Huge
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D228048N/AAugust, 1973Miller
3692025MOUTHGUARD WITH LIP PROTECTORSeptember, 1972Greenberg
D215685N/AOctober, 1969Helmer
3457916PROTECTIVE MOUTHPIECEJuly, 1969Wolicki
D212848N/ADecember, 1968Westlund
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3247844Mouth guardApril, 1966Berghash
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1674336RespiratorJune, 1928King
1125194N/AJanuary, 1915Sigmund

Primary Examiner:
Albert, Elizabeth A.
Assistant Examiner:
Donnelly, Kelley A.
Attorney, Agent or Firm:
Letchford, John F.
Archer & Greiner, P.C.

1. The ornamental design for a mouth guard, as shown and described.


FIG. 1 is a front perspective view of a mouth guard showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right elevational view thereof; and,

FIG. 8 is a left elevational view thereof.