USPatentGranted

Piston

Granted 21 Jan 1997 · no office action yet

Current assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha · originally Mitsubishi Motors Corporation

Inventors: Kenji Goto, Nobuaki Murakami, Kyoya Igarashi, Katsunori Ueda +4 · Examiner: Doris V. Coles · AU 294 · TC 2900

Application

Not granted yet

filed 15 Nov 1995

Publication

Not published

not published

Patent· this page

US D377493

granted 21 Jan 1997

term adjustment not held

none

Litigation

checked

Classifications

Citations

10 cites · 0 cited by

Owners

1 recorded conveyances

Life of the patent

4 dated events

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Description

1 parts

›FIG. 1 is a perspective view showing a…

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.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1

1 granted claims

›1.independentThe ornamental design for a piston, as shown.

Classifications

2 codes

USPC · US Patent Classification

D15/5123/193.6

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Pendency

1.2 y

433 days filing → grant

Office actions

on the grant's record

Examiner

Doris V. Coles

art unit 294 · TC 2900

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