Protective ear cup

Details Protective ear cup Protective ear cup

2007-06-12

2007-06-12

McInroy, Ruth (Department: 2915)

Equipment for safety, protection, and rescue

Body restraint or protective covering

Face, mouth, or ear

Design Patent

active

29236977

CLAIM:
The ornamental design for a protective ear cup, as shown and described.

REFERENCES:
patent: D239787 (1976-05-01), Lonnstedt
patent: 4069512 (1978-01-01), Palmaer
patent: D375584 (1996-11-01), Westerdal
patent: D385665 (1997-10-01), Westerdal
patent: D427382 (2000-06-01), Leight et al.
patent: D459033 (2002-06-01), Dix et al.
patent: D459034 (2002-06-01), Dix et al.
patent: D465616 (2002-11-01), Nilsson
patent: D468063 (2002-12-01), Nilsson
patent: 6654966 (2003-12-01), Rolla
patent: D506577 (2005-06-01), Emilsson

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