Apparatus for testing smoke detectors
Description
Claims
The ornamental design for an apparatus for testing smoke detectors, as shown.
Referenced Cited
U.S. Patent Documents
3693401 | September 1972 | Purt |
5170148 | December 8, 1992 | Duggan |
5611620 | March 18, 1997 | Wantz |
6015230 | January 18, 2000 | Wantz |
6208257 | March 27, 2001 | Choi |
6423962 | July 23, 2002 | Pepper |
6640608 | November 4, 2003 | Pepper |
7587926 | September 15, 2009 | Ackerman |
8353625 | January 15, 2013 | Feiter |
8973211 | March 10, 2015 | Rote |
D744877 | December 8, 2015 | Shay |
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Patent History
Patent number: D779352
Type: Grant
Filed: Nov 21, 2015
Date of Patent: Feb 21, 2017
Inventor: Garfield Scarder (Hackensack, NJ)
Primary Examiner: Sandra Morris
Application Number: 29/546,382
Type: Grant
Filed: Nov 21, 2015
Date of Patent: Feb 21, 2017
Inventor: Garfield Scarder (Hackensack, NJ)
Primary Examiner: Sandra Morris
Application Number: 29/546,382
Classifications
Current U.S. Class:
Security Or Signal Instrument Or Casing (D10/104.1)