Diaphragm valve
Kiyota , et al. October 4, 1
U.S. patent number D297,971 [Application Number 06/738,208] was granted by the patent office on 1988-10-04 for diaphragm valve. This patent grant is currently assigned to Sekisui Kagaku Kogyo Kabushiki Kaisha. Invention is credited to Yoshihiro Kiyota, Toyoji Muratani.
| United States Patent | D297,971 |
| Kiyota , et al. | October 4, 1988 |
Diaphragm valve
Claims
The ornamental design for a diaphragm valve, as shown and described.
| Inventors: | Kiyota; Yoshihiro (Saitama, JP), Muratani; Toyoji (Saitama, JP) |
|---|---|
| Assignee: | Sekisui Kagaku Kogyo Kabushiki
Kaisha (Osaka, JP) |
| Appl. No.: | 06/738,208 |
| Filed: | May 28, 1985 |
Foreign Application Priority Data
| Nov 26, 1984 [JP] | 59-48534 | |||
| Nov 26, 1984 [JP] | 59-48536 | |||
| Current U.S. Class: | D23/245 |
| Field of Search: | ;D23/233-237,244-248 ;251/61.1,264,331 |
References Cited [Referenced By]
U.S. Patent Documents
| D88613 | December 1932 | Allen |
| D228234 | August 1973 | Willetts |
| 1855991 | April 1932 | Saunders |
| 2397373 | March 1946 | Saunders |
| 2605991 | August 1952 | Kaye |
| 3268201 | August 1966 | Little |
| 3310281 | March 1967 | Boteler |
| 3628770 | December 1971 | Rost |
| 4214604 | July 1980 | Rumsey |
| 4545565 | October 1985 | Sano et al. |
Attorney, Agent or Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Description
FIG. 1 is a front, top and left side perspective view of a diaphragm valve showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
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