Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent
2002-03-05
2003-04-22
Mortimer, Paula A. (Department: 2912)
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Speaker or housing therefor
Design Patent
active
D0473539
CLAIM:
I claim the ornamental design for a detachable earmuff headset, as shown and described.
REFERENCES:
patent: 2615169 (1952-10-01), Mayant
patent: 2946862 (1960-07-01), Wadsworth et al.
patent: D229833 (1974-01-01), Becker
patent: 3902120 (1975-08-01), Dascal et al.
patent: D287849 (1987-01-01), O'Malley
patent: D342071 (1993-12-01), Wright et al.
patent: D358388 (1995-05-01), Nakamura et al.
patent: D390564 (1998-02-01), Savona
Mortimer Paula A.
Schoonover Donald R.
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