Corrugated pipe
Kanao June 21, 1
U.S. patent number D296,356 [Application Number 06/708,473] was granted by the patent office on 1988-06-21 for corrugated pipe. Invention is credited to Shiro Kanao.
| United States Patent | D296,356 |
| Kanao | June 21, 1988 |
Corrugated pipe
Claims
The ornamental design for a corrugated pipe, as shown and described.
| Inventors: | Kanao; Shiro (Takatsuki-shi, Osaka, JP) |
|---|---|
| Appl. No.: | 06/708,473 |
| Filed: | March 5, 1985 |
Foreign Application Priority Data
| Oct 31, 1984 [JP] | 59-45188 | |||
| Current U.S. Class: | D23/266 |
| Field of Search: | ;D23/40-47,266 ;138/103,105,122 ;405/43,45,48,49 |
References Cited [Referenced By]
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 1978 | Drossbach |
| 4163619 | August 1979 | Fales |
| 4175882 | November 1979 | Gilead |
| 4182580 | January 1980 | Hieda et al. |
| 4624603 | November 1986 | Kanao |
Attorney, Agent or Firm: Sughrue, Mion, Zinn, Macpeak, and Seas
Description
FIG. 1 is a side elevational view of a corrugated pipe showing my new design;
FIG. 2 is an end elevational view thereof;
FIG. 3 is an elevational view taken from the end opposite that shown in FIG. 2;
FIG. 4 is an elevational view taken from the side opposite that shown in FIG. 1;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
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