U.S. patent number D299,521 [Application Number 07/196,631] was granted by the patent office on 1989-01-24 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 |
D299,521 |
Kiyota , et al. |
January 24, 1989 |
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.: |
07/196,631 |
Filed: |
May 20, 1988 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
Issue Date |
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738208 |
May 28, 1985 |
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Foreign Application Priority Data
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Nov 26, 1984 [JP] |
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59-48534 |
Nov 26, 1984 [JP] |
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59-48536 |
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Current U.S.
Class: |
D23/245 |
Field of
Search: |
;D23/233-237,244-248
;251/331 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Largen; James R.
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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