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Patent
   D676930
Priority
May 17 2010
Filed
May 17 2010
Issued
Feb 26 2013
Expiry
Feb 26 2027
Inventors
Koledin, M…
Assg.orig
Hartwell M…
Assg.curr
HARTWELL M…
Entity
unknown
Referenced by
4
References
16
Maint.:
n/a
The ornamental design for a diaphragm, as shown and described.

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

FIG. 2 is a bottom view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof; and,

FIG. 5 is a cross-sectional side view thereof.
INVENTORS:

Koledin, Michael Jan

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D700289, Aug 10 2012 LINE-SAFETY LLC Propane valve protective device
D755352, May 08 2015 Protective cap for engine oil drain valve
D806834, Apr 04 2016 Baldwin Filters, Inc. End cap for dual filter element
D909540, Jun 15 2018 SMC Corporation Valve element for flow control valve
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2575775,
2654559,
2678065,
4630770, Oct 25 1985 Robertshaw Controls Company Valve construction and method of making the same
4720079, May 09 1984 Fuji Polymer Industries Co., Ltd. Diaphragm and fabrication method thereof
5456279, Dec 15 1993 Recurrent Solutions Limited Partnership Diaphragm-type pilot valve having a self-cleaning control orifice
6216730, Jun 08 2000 Sloan Valve Company Filter for diaphragm-type flush valve
6343539, Nov 10 1999 ITT Manufacturing Enterprises, Inc; DU INVESTMENTS, LLC Multiple layer pump diaphragm
7100894, Feb 20 2001 Pharmenta, Inc. Circumferential sealing diaphragm valve
7364132, Oct 09 1998 Swagelok Company Sanitary diaphragm valve
7922147, Jan 03 2007 ZURN WATER, LLC Diaphragm with segmented insert
7926785, Jun 22 2005 Valve diaphragm with a compression restraining ring, and valve including same
20110197892,
D470226, Jun 19 2002 Arichell Technologies, Inc. Valve diaphragm
D470920, Sep 12 2001 ZURN WATER, LLC Flush valve diaphragm
D631945, Nov 23 2009 Goyen Controls Co Pty Limited Valve diaphragm
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 04 2010KOLEDIN, MICHAEL JHartwell Medical CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0295880923 pdf
May 17 2010Hartwell Medical Corporation(assignment on the face of the patent)
May 13 2014Hartwell Medical CorporationHARTWELL MEDICAL LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0329070648 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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