Door closer
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Description
FIG. 1 is a top plan view of the door closer;
FIG. 2 is the right side view thereof;
FIG. 3 is the front end view thereof;
FIG. 4 is the bottom view thereof;
FIG. 5 is the left side view thereof;
FIG. 6 is the rear view thereof;
FIG. 7 is a perspective view featuring the right side view thereof;
FIG. 8 is a perspective view featuring the left side view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D261099 | October 6, 1981 | Russell |
2131564 | September 1958 | Lasier |
2220967 | November 1940 | Lasier |
2920338 | January 1960 | Falk |
2960718 | November 1960 | Lasier |
3259936 | July 1966 | Sheridan |
4086681 | May 2, 1978 | Nakanishi |
2245748 | April 1974 | DEX |
- "Dialmatic Door Closer", Catalog No. 80; Dexter Lock Co., Grand Rapids, Mich.; Brochure (4 pp.).
Patent History
Patent number: D271845
Type: Grant
Filed: Apr 24, 1981
Date of Patent: Dec 20, 1983
Assignee: Ryobi Limited (Hiroshima)
Inventors: Yoshihiko Matsuo (Yokohama), Takeshi Shohoji (Funabashi)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay, Jr.
Law Firm: Birch, Stewart, Kolasch & Birch
Application Number: 6/257,201
Type: Grant
Filed: Apr 24, 1981
Date of Patent: Dec 20, 1983
Assignee: Ryobi Limited (Hiroshima)
Inventors: Yoshihiko Matsuo (Yokohama), Takeshi Shohoji (Funabashi)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay, Jr.
Law Firm: Birch, Stewart, Kolasch & Birch
Application Number: 6/257,201
Classifications
Current U.S. Class:
D/8330
International Classification: D0807;
International Classification: D0807;