Front portion of diaphragm

Details Front portion of diaphragm Front portion of diaphragm

2007-05-15

2007-05-15

Bondade, Nanda (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

Design Patent

active

29220692

CLAIM:
We claim the ornamental for a front portion of a diaphragm, as shown and described.

REFERENCES:
patent: 1351285 (1920-08-01), Chess
patent: 1608046 (1926-11-01), Stanley
patent: D192036 (1962-01-01), Chess
patent: 3264120 (1966-08-01), Westcott
patent: D230829 (1974-03-01), Roper
patent: D241802 (1976-10-01), Beaubian
patent: D251176 (1979-02-01), Lewis
patent: D318420 (1991-07-01), Amelse
patent: 5240150 (1993-08-01), Palmon
patent: D393980 (1998-05-01), Kellermann
patent: D424941 (2000-05-01), Boutour
patent: D451347 (2001-12-01), Kleckauskas et al.
patent: D473098 (2003-04-01), Wingeier
patent: D473245 (2003-04-01), Heitmann
patent: 6648138 (2003-11-01), Kelly

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