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Expired Canadian patentCanada

Playing height adjustment for keyboard percussion instruments

CA 1295859 C · Owner: Selmer Company, The · Inventors: Stevens, Leigh Howard

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

Playing height adjustment for keyboard percussion instruments. A support assembly for a marimba or other keyboard percussion instrument that provides quick and easy adjustment of the height of the keyboard to accommodate a player's personal preference or to accommodate different playing heights required by different players.

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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 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.
FiledOctober 25, 1988
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1295859 C
Classification (IPC)G10D13/08 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 25, 1988Patent grantedFeb 18, 1992Term endedFeb 18, 2009

Sources & verification

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