Electronic calculator with solar cell
Granted 20 Aug 1991 · no office action yet
Assignee: Sharp Corporation
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Masaji Sawada, Kouji Nishida · Examiner: Nelson C. Holtje · AU 293 · TC 2900
Life of the patent
2 dated eventsDescription
1 parts›FIG. 1 is a top plan view of…
FIG. 1 is a top plan view of an electronic calculator showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear 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 right side elevational view thereof with support leg extended; and
FIG. 8 is a right, front and top perspective view thereof.
Claims
1 · 1 independent · depth 1Classifications
1 codesClaim changes
SoonSee which claims were amended, added or cancelled during examination, with every added and removed word marked.
The published claims of this patent are not paired with the granted ones in what we hold.
File wrapper
Chain of title
See the full assignment history — every owner this patent has passed through, with recordation dates and reel/frame numbers.
Log in to unlockTerm & fees
See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.
Log in to unlockWorldwide family
2 members · 2 offices›IP5 & PCT — 1 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| USthis patent | US-D319252-S | S | 20 Aug 1991 | 20 Mar 1989 | granted | Electronic calculator with solar cell |
›Other offices — 1 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| AU | AU-106002-S | S | 23 Nov 1989 | 6 Apr 1989 | published | Electronic calculator with solar cell |
Validity challenges
See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.
Log in to unlockCitations
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