Pipe clamp seal

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Description

FIG. 1 is an end elevational view of a pipe clamp seal showing my new design, the opposite end being the same as the end shown;

FIG. 2 is a side elevational view thereof, the opposite side being the same as the side shown; and

FIG. 3 is a cross sectional view taken on line 3--3 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D196724 October 1963 Davis, Jr.
1867891 July 1932 Reynolds
2028182 January 1936 Barniekol
3175833 March 1965 Morso
3228705 January 1966 Underwood
3419291 December 1968 Tomb et al.
3432177 March 1969 Colwell
3592491 July 1971 Glover
3768819 October 1973 Burkert
3865386 February 1975 Wilke
Foreign Patent Documents
355620 June 1905 FRX
1150947 May 1956 FRX
Patent History
Patent number: D256046
Type: Grant
Filed: Jun 27, 1978
Date of Patent: Jul 22, 1980
Inventor: Duane O. Perrin (Torrance, CA)
Primary Examiner: James R. Largen
Attorney: Arthur Freilich
Application Number: 5/919,743
Classifications
Current U.S. Class: D23/47
International Classification: D2301;