Measuring – testing – or signalling instruments – Security or signal instrument or casing – Lost child or person locator
Design Patent
2008-05-06
2008-05-06
Spear, Robert M. (Department: 2913)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Lost child or person locator
CD10S106910
Design Patent
active
29277082
CLAIM:
The ornamental design for a housing for a duct smoke detector, as shown and described.
REFERENCES:
patent: 4758827 (1988-07-01), Powers
patent: D368041 (1996-03-01), Skog
patent: 5844148 (1998-12-01), Klein et al.
patent: 6897774 (2005-05-01), Costa
patent: D553529 (2007-10-01), Sahibzada et al.
patent: 2007/0111572 (2007-05-01), Frawley et al.
patent: 2007/0182574 (2007-08-01), Dzurko et al.
patent: 2007/0285264 (2007-12-01), Cole
Adamczyk Maura D.
Borbath Zoltan
Frawley Lanny J.
Kuester Andrew A.
Macpherson, III William A.
Honeywell International , Inc.
Kirschbaum George D
Spear Robert M.
Welsh & Katz Ltd.
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