Door closer
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Description
FIG. 1 is a top, front and right side perspective view of a door closer showing my new design;
FIG. 2 is a front, bottom and left side perspective view thereof; and
FIG. 3 is a rear elevational view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D94773 | March 1935 | Parsons |
D167177 | July 1952 | Schlage |
D241512 | September 1976 | Hiraishi |
2820241 | January 1958 | Schlage |
3252178 | May 1966 | Check et al. |
3426382 | February 1969 | Lazier et al. |
3902220 | September 1975 | Little |
4086681 | May 2, 1978 | Nakanishi |
4115897 | September 26, 1978 | Zunkel |
- Architectoril Record, Apr. 1951, p. 223; Russwin "400" Door Closer made by American Hardware Corp. 1978 Sweet's Catalog file, vol. 7, section 8:30 Closers; Norton Series 1600, 8000, 8:30/Ean; of Yab/Eat, pp. 18-20, LCN, 8:30/Lc; Parker 8:30/PA.
Patent History
Patent number: D274212
Type: Grant
Filed: Sep 30, 1982
Date of Patent: Jun 12, 1984
Assignee: Ryobi Ltd. (Fuchu)
Inventor: Takeshi Shohoji (Chiba)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/430,302
Type: Grant
Filed: Sep 30, 1982
Date of Patent: Jun 12, 1984
Assignee: Ryobi Ltd. (Fuchu)
Inventor: Takeshi Shohoji (Chiba)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/430,302
Classifications
Current U.S. Class:
D/8330