Corrugated pipe
Description
FIG. 1 is a side elevational view of a corrugated pipe showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is an end elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an elevational view taken from the end opposite that shown in FIG. 3; and
FIG. 6 is an elevational view taken from the side opposite that shown in FIG. 1.
Referenced Cited
U.S. Patent Documents
D213828 | April 1969 | Blake |
D222643 | November 1971 | Martin et al. |
D235100 | May 1975 | Maroschak |
2073335 | March 1937 | Connell |
3878685 | April 1975 | Schmunk |
3926222 | December 1975 | Shroy et al. |
4113818 | September 12, 1978 | Drossbach |
4163619 | August 7, 1979 | Fales |
4175882 | November 27, 1979 | Gilead |
4182580 | January 8, 1980 | Hieda et al. |
4624603 | November 25, 1986 | Kanao |
Patent History
Patent number: D296355
Type: Grant
Filed: Mar 5, 1985
Date of Patent: Jun 21, 1988
Inventor: Shiro Kanao (Takatsuki-Shi, Osaka)
Primary Examiner: James R. Largen
Law Firm: Sughrue, Mion, Zinn, Macpeak, and Seas
Application Number: 6/708,469
Type: Grant
Filed: Mar 5, 1985
Date of Patent: Jun 21, 1988
Inventor: Shiro Kanao (Takatsuki-Shi, Osaka)
Primary Examiner: James R. Largen
Law Firm: Sughrue, Mion, Zinn, Macpeak, and Seas
Application Number: 6/708,469
Classifications
Current U.S. Class:
Pipe, Tubing Or Hose (D23/266)