Patent
   D286781
Priority
Sep 30 1983
Filed
Mar 30 1984
Issued
Nov 18 1986
Expiry
Nov 18 2000

TERM.DISCL.
Assg.orig
Entity
unknown
8
3
n/a
The ornamental design for a piston, as shown and described.

FIG. 1 is an elevational view of one end of a piston, showing our new design, the opposite end being a mirror image thereof;

FIG. 2 is an elevational view of one side thereof, the opposite side being a mirror image;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof.

Parker, David A., Collyear, John G.

Patent Priority Assignee Title
10352312, Jan 22 2013 PANASONIC APPLIANCES REFRIGERATION DEVICES SINGAPORE Hermetic compressor and refrigerator
D371562, Sep 06 1994 Pump piston
D373773, Sep 12 1995 Compressed combustion piston
D515590, Jan 13 2004 Dispenser Services of Texas, Inc. Pump valve piston
D645883, Oct 27 2009 Tenneco Inc Piston lower crown
D730406, Apr 03 2012 STEALTH INNOVATIVE SYSTEMS, LLC Piston for pneumatic automotive lifting device
D737861, Oct 30 2009 Caterpillar Inc Engine piston
D897373, Sep 22 2018 Piston
Patent Priority Assignee Title
2795468,
3123899,
56347,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 26 1984COLLYEAR, JOHN G AE PLC RUGBY, A BRITISH COASSIGNMENT OF ASSIGNORS INTEREST 0042450483 pdf
Mar 26 1984PARKER, DAVID A AE PLC RUGBY, A BRITISH COASSIGNMENT OF ASSIGNORS INTEREST 0042450483 pdf
Mar 30 1984AE PLC(assignment on the face of the patent)
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