USPatentGranted
S

Electrophotographic copier

Granted 21 Mar 1989 · no office action yet

Assignee: Canon Inc.

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Toshio Umino · Examiner: Nelson C. Holtje · AU 292 · TC 2900

Application
897413
filed 18 Aug 1986
Publication
Not published
not published
Patent· this page
US D300328
granted 21 Mar 1989

Life of the patent

4 dated events
⤢ drag to zoom19861988199019921994199619982000200220042006ProsecutionOwnershipTerm & fees
ProsecutionOwnershipTerm & feeshover for detail · click to open

Description

1 parts
›FIG. 1 is a front elevational view of…

FIG. 1 is a front elevational view of an electrophotograhic copier showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top and right-front perspective view thereof, the broken line paper cassettes and receiving tray are environmental 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

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D18/37

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 patent are not paired with the granted ones in what we hold.

File wrapper

Pendency
2.6 y
946 days filing → grant
Office actions
0
on the grant's record
Examiner
Nelson C. Holtje
art unit 292 · TC 2900
Citations: 10 back · 0 forward

Chain of title

⤢ drag to zoom19861988199019921994199619982000200220042006Owner 1
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

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Log in to unlock

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Log in to unlock

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.

Log in to unlock