Portable computer with large screen display
CA 1307351 C · Owner: Lapeyre, James M. · Inventors: Lapeyre, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PORTABLE COMPUTER WITH LARGE SCREEN DISPLAY ABSTRACT OF THE DISCLOSURE:, A portable programmable electronic computer typically, pocket sized, has very few keys to accomodate a large display screen, and thus produces alphanumeric and graphical display capabilities compatible with comprehensive alphanumeric computer operations in data processing and data communications. To achieve this the keyboard is typically as few as twelve or sixteen keys laid out with ample spacing for manual fingertip actuation without interference. Correspondingly 144 or 256 entries for alphanumeric data and computer command signals are available in a two-stroke per entry keyboard operation mode. A chart of input …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.