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Expired Canadian patentCanada

Record support and alignment apparatus for a video disc player

CA 1114947 A · Owner: Rca Corporation · Inventors: Destephanis, Ralph

CIPO record

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

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Abstract From the Canadian patent

A record support and alignment apparatus comprises a set of lifting pads secured to a depressible platform mounted in a video disc player. The lifting pads are adapted for motion between a withdrawn position and an extended position with respect to the platform. The lifting pads, in the withdrawn position, allow a record jacket to be fully inserted into the player. The lifting pads in the, extended position, support a record retained in the player such that, while the platform is disposed in an elevated position, the retained record is aligned with an empty jacket during its insertion in the player whereby reversion, of a retained record to an empty jacket is facilitated. Withdrawal of the …

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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 December 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 29, 1977
GrantedDecember 22, 1981
Term endedDecember 22, 1998
Patent numberCA 1114947 A
Classification (IPC)G11B3/00 +2 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedNov 29, 1977Patent grantedDec 22, 1981Term endedDec 22, 1998

Sources & verification

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