Patent
   D377493
Priority
May 16 1995
Filed
Nov 15 1995
Issued
Jan 21 1997
Expiry
Jan 21 2011
Assg.orig
Entity
unknown
17
7
n/a
The ornamental design for a piston, as shown.

FIG. 1 is a perspective view showing a first embodiment of the piston showing our new design of a piston;

FIG. 2 is a front elevational view of the piston of FIG. 1;

FIG. 3 is a rear elevational view of the piston of FIG. 1;

FIG. 4 is a top plan view of the piston of FIG. 1;

FIG. 5 is bottom plan view of the piston of FIG. 1;

FIG. 6 is left-side elevational view of the piston of FIG. 1;

FIG. 7 is a right-side elevational view of the piston of FIG. 1;

FIG. 8 is a cross-sectional view taken along lineA--A of FIG. 2;

FIG. 9 is a cross-sectional view taken along line B--B of FIG. 7;

FIG. 10 is a perspective view of a second embodiment of a piston showing our new design;

FIG. 11 is a front elevational view of the piston of FIG. 10;

FIG. 12 is a rear elevational view of the piston of FIG. 10;

FIG. --is a top plan view of the piston of FIG. 10;

FIG. 14 is bottom plan view of the piston of FIG. 10;

FIG. 15 is a left-side elevational view of the piston of FIG. 10;

FIG. 16 is a right-side elevational view of the piston of FIG. 10;

FIG. 17 is a cross-sectional view taken along line B--B of FIG. 11;

FIG. 18 is a cross-sectional view taken along line B--B of FIG. 16;

FIG. 19 is a perspective view of a third embodiment of a piston showing our new design;

FIG. 20 is a front elevational view of the piston of FIG. 19;

FIG. 21 is a rear elevational view of the piston of FIG. 19;

FIG. 22 is a top plan view of the piston of FIG. 19;

FIG. 23 is bottom plan view of the piston of FIG. 19;

FIG. 24 is a left-side elevational view of the piston of FIG. 19;

FIG. 25 is a right-side elevational view of the piston of FIG. 19;

FIG. 26 is a cross-sectional view taken along line A--A of FIG. 20;

FIG. 27 is a cross-sectional view taken along line B--B of FIG. 25;

FIG. 28 is a perspective view of a fourth embodiment of a piston showing our new design;

FIG. 29 is a front elevational view of the piston of FIG. 28;

FIG. 30 is a rear elevational view of the piston of FIG. 28;

FIG. 31 is a top plan view of the piston of FIG. 28;

FIG. 32 is bottom plan view of the piston of FIG. 28;

FIG. 33 is a left-side elevational view of the piston of FIG. 28;

FIG. 34 is a right-side elevational view of the piston of FIG. 28;

FIG. 35 is a cross-sectional view taken along line A--A of FIG. 29;

FIG. 36 is a cross-sectional view taken along line B--B of FIG. 34;

FIG. 37 is a perspective view of a fifth embodiment of a psiton showing our new design;

FIG. 38 is a front elevational view of the piston of FIG. 37;

FIG. 39 is a rear elevational view of the piston of FIG. 37;

FIG. 40 is a top plan view of the piston of FIG. 37;

FIG. 41 is a bottom plan view of the piston of FIG. 37;

FIG. 42 is a left-side elevational view of the piston of FIG. 37;

FIG. 43 is a right-side elevational view of the piston of FIG. 37;

FIG. 44 is a cross-sectional view taken along line A--A of FIG. 38;

FIG. 45 is a cross-sectional view taken along line B--B of FIG. 43;

FIG. 46 is a perspective view of a sixth embodiment of a piston showing our new design;

FIG. 47 is a front elevational view of the piston of FIG. 46;

FIG. 48 is a rear elevational view of the piston of FIG. 46;

FIG. 49 is a top plan view of the piston of FIG. 46;

FIG. 50 is bottom plan view of the piston of FIG. 46;

FIG. 51 is a left-side elevational view of the piston of FIG. 46;

FIG. 52 is a right-side elevational view of the piston of FIG. 46;

FIG. 53 is a cross-sectional view taken along line A--A of FIG. 47; and,

FIG. 54 is a cross-sectional view taken along line B--B of FIG. 52.

Kawabe, Takashi, Yoshikawa, Satoshi, Goto, Kenji, Ando, Hiromitsu, Ueda, Katsunori, Oda, Hideyuki, Murakami, Nobuaki, Igarashi, Kyoya

Patent Priority Assignee Title
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D515590, Jan 13 2004 Dispenser Services of Texas, Inc. Pump valve piston
D609247, Sep 12 2008 DSS, Inc. Piston with x-shaped grove in the skirt
D645883, Oct 27 2009 Tenneco Inc Piston lower crown
D658282, May 27 2009 3M Innovative Properties Company Earplug tip
D730406, Apr 03 2012 STEALTH INNOVATIVE SYSTEMS, LLC Piston for pneumatic automotive lifting device
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D742921, Mar 20 2014 YANMAR CO , LTD Piston
D810272, Mar 04 2016 SACK IP LAW P C Ear plug having piston-like exterior
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D886155, Dec 18 2015 Mahle International GmbH Piston for an internal combustion engine
D897373, Sep 22 2018 Piston
Patent Priority Assignee Title
1674733,
1883637,
3123899,
4271803, Jul 20 1978 Toyota Jidosha Kogyo Kabushiki Kaisha Internal combustion engine
4541377, Jan 23 1985 Piston dome
4567863, Aug 02 1982 FLETCHER, EDWARD A , 3909 BEARD AVENUE SOUTH, MINNEAPOLIS, MN 55410 Apparatus for reducing damage associated with detonation and/or destructive knock
122922,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 15 1995Mitsubishi Jidosha Kogyo Kabushiki Kaisha(assignment on the face of the patent)
Dec 21 1995ODA, HIDEYUKIMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
Dec 21 1995MURAKAMI, NOBUAKIMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
Dec 21 1995YOSHIKAWA, SATOSHIMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
Dec 21 1995GOTO, KENJIMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
Dec 22 1995UEDA, KATSUNORIMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
Dec 22 1995KAWABE, TAKASHIMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
Dec 27 1995IGARASHI, KYOYAMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
Dec 27 1995ANDO, HIROMITSUMitsubishi Jidosha Kogyo Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078820071 pdf
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