Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Design Patent
2007-08-21
2007-08-21
Spear, Robert M. (Department: 2913)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Aural, i.e., audible
Design Patent
active
29271556
CLAIM:
The ornamental design for a push button, as shown and described.
REFERENCES:
patent: D300528 (1989-04-01), Drane
patent: D376306 (1996-12-01), Kirschner
patent: D404673 (1999-01-01), Gordon et al.
patent: D526001 (2006-08-01), Scharte
patent: 2006/0219541 (2006-10-01), Birdwell et al.
May 23, 2007 <http://www.homeportfolio.com>. Lone Star Doorbell With Circle 4 Inch.
Brookins Walter
Priest Roger
Teiber Todd
Craftmade International, Inc.
Kirschbaum George D
Munsch Hardt Kopf & Harr P.C.
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