USPatentGranted
S

Calculating machine

Granted 27 May 1980 · no office action yet

Current assignee: Sharp Kabushiki Kaisha (Sharp Corp.) · originally Sharp Corporation

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Matafumi Ikeda, Shigetoshi Hazama · Examiner: Louis S. Zarfas · AU 292 · TC 2900

Application
916872
filed 19 Jun 1978
Publication
Not published
not published
Patent· this page
US D255125
granted 27 May 1980

Life of the patent

3 dated events
⤢ drag to zoom19781980198219841986198819901992199419961998ProsecutionTerm & fees
ProsecutionTerm & feeshover for detail · click to open

Description

1 parts
›FIG. 1 is a perspective view of a…

FIG. 1 is a perspective view of a calculating machine showing our new design;

FIG. 2 is a perspective view thereof with the cover open;

FIG. 3 is a top plan view with the cover closed;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top plan view thereof with the cover open; and

FIG. 10 is a right side elevational view thereof with the cover open.

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

2 codes
USPC · US Patent Classification
D18/7D28/83

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
1.9 y
708 days filing → grant
Office actions
0
on the grant's record
Examiner
Louis S. Zarfas
art unit 292 · TC 2900
Citations: 3 back · 0 forward

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