Fastener for exhaust air valves
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Description
FIG. 1 is a perspective view of a fastener for exhaust air valves embodying my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a side view taken from the right of FIG. 2;
FIG. 4 is a side view taken from the left of FIG. 2;
FIG. 5 is a rear view thereof;
FIG. 6 is a front view thereof; and
FIG. 7 is a bottom view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D26511 | January 1897 | Sharp |
D240015 | May 1976 | Buckley |
799948 | September 1905 | Starr |
3131448 | May 1964 | Glatz |
59299 | March 1981 | FIX |
391384 | February 1977 | SEX |
0002863 | 1910 | GBX |
637357 | May 1949 | GBX |
734857 | August 1953 | GBX |
Patent History
Patent number: D278595
Type: Grant
Filed: Jul 23, 1982
Date of Patent: Apr 30, 1985
Assignee: Flakt Aktiebolag (Nacka)
Inventor: Lennart Widerby (Jonkoping)
Primary Examiner: B. J. Bullock
Law Firm: Dann, Dorfman, Herrell and Skillman
Application Number: 6/401,130
Type: Grant
Filed: Jul 23, 1982
Date of Patent: Apr 30, 1985
Assignee: Flakt Aktiebolag (Nacka)
Inventor: Lennart Widerby (Jonkoping)
Primary Examiner: B. J. Bullock
Law Firm: Dann, Dorfman, Herrell and Skillman
Application Number: 6/401,130
Classifications
Current U.S. Class:
D/8389;
D/8394