Gasket for corrugated pipes
Description
FIG. 1 is a front perspective view of a gasket for corrugated pipes showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side being the same as the side shown;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a cross sectional view taken on line VI--VI of FIG. 3.
Referenced Cited
U.S. Patent Documents
D196724 | October 1963 | Davis, Jr. |
D244533 | May 31, 1977 | Eidelberg et al. |
D256046 | July 22, 1980 | Perrin |
3565464 | February 1971 | Wolf |
4362187 | December 7, 1982 | Harris et al. |
4368892 | January 18, 1983 | Parmann |
4371179 | February 1, 1983 | Bohman |
4398726 | August 16, 1983 | Heisler |
4426095 | January 17, 1984 | Buttner |
4443031 | April 17, 1984 | Borsh et al. |
4702502 | October 27, 1987 | Shade |
4946206 | August 7, 1990 | Roe et al. |
Patent History
Patent number: D342567
Type: Grant
Filed: Mar 14, 1990
Date of Patent: Dec 21, 1993
Assignee: Sonn Chsen A.S. (Fredrikstad)
Inventor: Per Boen (Vassholmen)
Primary Examiner: James R. Largen
Law Firm: Ladas & Parry
Application Number: 7/493,857
Type: Grant
Filed: Mar 14, 1990
Date of Patent: Dec 21, 1993
Assignee: Sonn Chsen A.S. (Fredrikstad)
Inventor: Per Boen (Vassholmen)
Primary Examiner: James R. Largen
Law Firm: Ladas & Parry
Application Number: 7/493,857
Classifications
Current U.S. Class:
Gasket Or Packing (D23/269)