Patent
   D454888
Priority
Sep 14 2000
Filed
Sep 14 2000
Issued
Mar 26 2002
Expiry
Mar 26 2016
Assg.orig
Entity
unknown
4
5
n/a
The ornamental design for pistons for refrigerant compressors, as shown.

FIG. 1 is a front view of a piston for a refrigerant compressor, according to a first embodiment of the design.

FIG. 2 is a rear view of a piston for a refrigerant compressor, according to a first embodiment of the design.

FIG. 3 is a left side view of a piston for a refrigerant compressor, according to a first embodiment of the design.

FIG. 4 is a top view of a piston for a refrigerant compressor, according to a first embodiment of the design.

FIG. 5 is a bottom view of a piston for a refrigerant compressor, according to a first embodiment of the design.

FIG. 6 is a cross-sectional view of a piston for a refrigerant compressor, showing the shape of the design, according to a first embodiment of the design; and,

FIG. 7 is a perspective view of a piston for a refrigerant compressor, according to a first embodiment of the design.

Tsunoda, Masataka

Patent Priority Assignee Title
D576179, Nov 30 2006 Kabushiki Kaisha Toyota Jidoshokki Piston for compressor
D624561, Dec 24 2008 Piston and shoe assembly for a hydraulic piston pump
D676061, Jun 02 2011 Sandvik Intellectual Property AB Piston
D914062, May 21 2019 Compressor part
Patent Priority Assignee Title
5461967, Mar 03 1995 General Motors Corporation Swash plate compressor with improved piston alignment
5490767, Sep 02 1992 Sanden Corporation Variable displacement piston type compressor
D371562, Sep 06 1994 Pump piston
D417876, Sep 27 1996 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Compressor piston
D436113, Mar 24 1997 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Compressor piston
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 14 2000Sanden Corporation(assignment on the face of the patent)
Jan 05 2001TSUNODA, MASATAKASanden CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0114310317 pdf
Apr 02 2015Sanden CorporationSanden Holdings CorporationCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0384890677 pdf
Apr 02 2015Sanden CorporationSanden Holdings CorporationCORRECTIVE ASSIGNMENT TO CORRECT THE TYPOGRAPHICAL ERRORS IN PATENT NOS 6129293, 7574813, 8238525, 8083454, D545888, D467946, D573242, D487173, AND REMOVE 8750534 PREVIOUSLY RECORDED ON REEL 047208 FRAME 0635 ASSIGNOR S HEREBY CONFIRMS THE CHANGE OF NAME 0535450524 pdf
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