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Patent
   D290640
Priority
Mar 19 1984
Filed
Sep 18 1984
Issued
Jun 30 1987
Expiry
Jun 30 2001
Inventors
Andersson,…
Assg.orig
FRIGOSCAND…
Assg.curr
Frigoscand…
Entity
unknown
Referenced by
16
References
11
Maint.:
n/a
The ornamental design for a valve diaphragm, as shown.

FIG. 1 is a top perspective view of a valve diaphragm showing my new design; and

FIG. 2 is a bottom perspective view thereof.
INVENTORS:

Andersson, Gustav A.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11191920, May 17 2016 ResMed Pty Ltd Breathable gas valve device for respiratory treatment apparatus
D300554, Nov 26 1984 Sekusui Kagaku Kogyo Kabushiki Kaisha Diaphragm from a diaphragm valve
D316292, Nov 21 1988 Replacement diaphragm for an irrigation system valve
D346641, Oct 26 1992 Air valve
D603022, Jan 15 2007 Hansgrohe SE Kitchen or bath control
D607541, Jun 12 2007 Mueller International, LLC Flapper disc
D610237, Jan 15 2007 Hansgrohe SE Kitchen or bath control
D631945, Nov 23 2009 Goyen Controls Co Pty Limited Valve diaphragm
D636059, Nov 23 2009 Goyen Controls Co Pty Limited Valve diaphragm
D758542, May 05 2015 BISSEL INC ; BISSELL INC Valve portion
D775313, Mar 22 2013 WD RACING OY Valve disk
D787646, Sep 12 2014 ZURN WATER, LLC Flush valve diaphragm
D824030, Apr 18 2017 ResMed Pty Ltd Valve membrane
D837379, Apr 18 2017 ResMed Pty Ltd Valve membrane
D862656, Oct 31 2016 Valve diaphragm
D871552, Jul 15 2013 ACCURATE REPETITION PTY LIMITED Valve body
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2305151,
2531824,
3020020,
3083943,
3502300,
3511472,
3655163,
4014514, Jun 27 1975 M&FC HOLDING COMPANY, INC , A DE CORP High pressure diaphragm valve
4477051, May 18 1982 Wells Fargo Bank, National Association Flow control valve
D268048, Oct 31 1979 Asahi Yukizai Kogyo Kabushiki Kaisha Diaphragm valve
D268049, Oct 31 1979 Asahi Yukizai Kogyo Kabushiki Kaisha Diaphragm valve
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 27 1984ANDERSSON, GUSTAV A FRIGOSCANDIA CONTRACTING AB A CORP OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0043160608 pdf
Sep 18 1984Frigoscandia Contracting AB(assignment on the face of the patent)
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