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Expired Canadian patentCanada

Memory output circuit

CA 1049655 A · Owner: Rockwell International Corporation · Inventors: Luisi, James A.; Padgett, Clarence W.; Street, Dana C.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

of the Invention, A unique memory output integrated circuit is disclosed including a memory output driver having an output terminal at which data may be read, a gated power amplifier and a, single ended multiplexer stage which in the preferred, embodiment, is adapted to be interfaced with a random access memory array comprised of a plurality of discrete non-symmentrical memory cells. The integrated circuit is designed so that the space consumed thereby and the corresponding cost of production can be minimized.

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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 February 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedFebruary 27, 1979
Term endedFebruary 27, 1996
Patent numberCA 1049655 A
Classification (IPC)G11C11/40 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedFeb 27, 1979Term endedFeb 27, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.