Door closer

- Ryobi Limited
Description

FIG. 1 is a front elevational view of a door closer showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front-left side perspective view thereof; and

FIG. 8 is a bottom-right side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D166884 May 1952 Schlage
D241910 October 1976 Meisner
D261099 October 6, 1981 Russell
D271201 November 1, 1983 Matsuo et al.
3082471 March 1963 Rolph
3259936 July 1966 Sheridan
3909877 October 1975 Christy et al.
4086681 May 2, 1978 Nakanishi
Foreign Patent Documents
2245748 April 1974 DEX
688939 April 1965 ITX
Patent History
Patent number: D273457
Type: Grant
Filed: May 26, 1982
Date of Patent: Apr 17, 1984
Assignee: Ryobi Limited (Hiroshima)
Inventors: Yoshihiko Matsuo (Yokohama), Takeshi Shohoji (Funabashi)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Frishauf, Holtz, Goodman and Woodward
Application Number: 6/382,206
Classifications
Current U.S. Class: D/8330