Door closer
Description
The bottom is devoid of ornamentation and disclaimed.
Claims
The ornamental design for a door closer, as shown and described.
Referenced Cited
U.S. Patent Documents
D162977 | April 1951 | Nettleton et al. |
2596676 | May 1952 | Goderez |
2855623 | October 1958 | Schlage |
2994906 | August 1961 | Check |
3252178 | May 1966 | Check |
3877108 | April 1975 | Del Fiacco |
4086681 | May 2, 1978 | Nakanishi |
D271277 | November 8, 1983 | Okazaki |
D271845 | December 20, 1983 | Matsuo |
D273457 | April 17, 1984 | Matsuo |
D291771 | September 8, 1987 | Vandergeest |
D295254 | April 19, 1988 | Matsuo |
D295367 | April 26, 1988 | Ishizuka |
Patent History
Patent number: D758165
Type: Grant
Filed: Apr 28, 2015
Date of Patent: Jun 7, 2016
Assignee: Astra Door Controls Ltd.
Inventor: Paul Grundy (Manchester)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/525,271
Type: Grant
Filed: Apr 28, 2015
Date of Patent: Jun 7, 2016
Assignee: Astra Door Controls Ltd.
Inventor: Paul Grundy (Manchester)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/525,271
Classifications
Current U.S. Class:
D8/330