Backup alarm

Details Backup alarm Backup alarm

2007-12-25

2007-12-25

Spear, Robert M. (Department: 2913)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Aural, i.e., audible

CD10S104200

Design Patent

active

29254522

CLAIM:
The ornamental design for a backup alarm, as shown and described.

REFERENCES:
patent: 4603317 (1986-07-01), Gailbreath et al.
patent: D474173 (2003-05-01), Right et al.
patent: D480067 (2003-09-01), Mazejka
patent: D485201 (2004-01-01), Corrigan
patent: D513200 (2005-12-01), Lai
patent: D514466 (2006-02-01), Lai
patent: D514973 (2006-02-01), Coward
patent: D524600 (2006-07-01), Austin et al.
patent: 2004/0046653 (2004-03-01), Milliken

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