Door security bar
Description
Claims
The ornamental design for a door security bar, as shown and described.
Referenced Cited
U.S. Patent Documents
D219362 | December 1970 | Snyder |
3583743 | June 1971 | Newell |
3615114 | October 1971 | Harris |
D230701 | March 1974 | Lewis et al. |
D236082 | July 1975 | Williams et al. |
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6705652 | March 16, 2004 | Engel |
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D504302 | April 26, 2005 | Wood |
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D632946 | February 22, 2011 | Hartgens |
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Patent History
Patent number: D823664
Type: Grant
Filed: Mar 15, 2017
Date of Patent: Jul 24, 2018
Inventor: David Workman (Carlsbad, CA)
Primary Examiner: Prabhakar G Deshmukh
Application Number: 29/596,119
Type: Grant
Filed: Mar 15, 2017
Date of Patent: Jul 24, 2018
Inventor: David Workman (Carlsbad, CA)
Primary Examiner: Prabhakar G Deshmukh
Application Number: 29/596,119
Classifications
Current U.S. Class:
D8/339;
D8/330