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Expired Canadian patentCanada

Stringed instrument with inwardly extending neck

CA 1292897 C · Owner: Viel, Gerald J. · Inventors: Viel, Gerald J.

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

An acoustic stringed musical instrument is provided having a neck which extends inwardly at least to the bridge, acoustically communicating with the top near the bridge. Means are provided to anchor the strings at the lower end of the neck as well as its upper end such that the compressive forces created by the tightened strings are carried substantially completely by the neck alone leaving, the top substantially free of such stresses. Bracing of the top can thus be minimized, and the top can be made of optimum thinness for acoustic quality.

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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 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 28, 1989
GrantedDecember 10, 1991
Term endedDecember 10, 2008
Patent numberCA 1292897 C
Classification (IPC)G10D1/08 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 28, 1989Patent grantedDec 10, 1991Term endedDec 10, 2008

Sources & verification

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