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Expired Canadian patentCanada

Feeler device, particularly for copying machines

CA 1306523 C · Owner: Fidia S.P.A. · Inventors: Vesco, Mario; Zaramella, Giancarlo

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

The device comprises a support structure movable along at least a first reference axis, a feeler member carried by the structure so as to be able to effect limited relative displacements along the axis relative to a predetermined rest position, and detector means for providing electrical signals indicative of the magnitude and direction of the movements of the feeler member relative to the structure. According to the invention the feeler device, comprises at least a first intermediate structure supported by the structure by means of first blades which can bend in a plane parallel to the reference axis; the feeler member is also supported by this intermediate structure by means of second …

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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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 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.
FiledJanuary 15, 1988
GrantedAugust 18, 1992
Term endedAugust 18, 2009
Patent numberCA 1306523 C
Classification (IPC)G08C21/00 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJan 15, 1988Patent grantedAug 18, 1992Term endedAug 18, 2009

Sources & verification

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