Pipe clamp seal
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
Foreign 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 |
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
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;
International Classification: D2301;