USPatent applicationPatented

Piston for refrigerant compressor

Granted 18 Dec 2001

Assignee: Sanden Corporation

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Kiyoshi Miyazawa, Mitsuhiro Takashima · Examiner: Ralf Seifert · AU 2914 · TC 2900

Application· this page
125169
filed 20 Jun 2000
Publication
Not published
not published
Patent
US D452252
granted 18 Dec 2001

Life of the application

7 dated events
⤢ drag to zoom20002002200420062008201020122014201620182020ProsecutionOwnershipTerm & fees
ProsecutionOwnershipTerm & feeshover for detail · click to open

Description

1 parts
›FIG. 1 is a left side view of…

FIG. 1 is a left side view of a piston for a refrigerant compressor, according to the design. The right side view is a mirror image of the left side view.

FIG. 2 is a front view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 3 is a top view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 4 is a bottom view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 5 is a rear view of the piston for a refrigerant compressor, as shown in FIG. 1.

FIG. 6 is a cross-sectional view of the refrigerant compressor along line 6—6 of FIG. 1, showing the shape of the design.

FIG. 7 is a cross-sectional view of the refrigerant compressor along line 7—7 of FIG. 1, showing the shape of the design.

FIG. 8 is a cross-sectional view of the refrigerant compressor along line 8—8 of FIG. 1, showing the shape of the design; and,

FIG. 9 is a rear perspective view of the piston for a refrigerant compressor of FIG. 1.

The broken line portions of FIGS. 1-9 are for illustrative purposes only and form no part of the claimed design.

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

Claims as granted

1 claim

Log in to read the claims of this application.

Log in to unlock

Classifications

1 codes
USPC · US Patent Classification
D15/9

Claim changes

Soon
Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this application are not paired with the granted ones in what we hold.

File wrapper

Pendency
1.5 y
546 days filing → grant
Office actions
0
on the grant's record
Examiner
Ralf Seifert
art unit 2914 · TC 2900
Citations: 8 back · 0 forward

Documents

Log in to open the documents of this file: the application as filed, every office action and response, the notice of allowance.

Log in to unlock

Chain of title

⤢ drag to zoom2002200420062008201020122014201620182020Owner 1Owner 2liens, releases & corrections
Titlehover for detail · click to open

See the full assignment history — every owner this patent has passed through, with recordation dates and reel/frame numbers.

Log in to unlock