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Expired Canadian patentCanada

Disc-type coin sorter with adjustable gaging device

CA 2094602 C · Owner: Rasmussen, James M. · Inventors: Rasmussen, James M.; Todd, William M.

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

A coin-sorting system having a rotatable disc with a resilient surface for receiving coons of mixed denominations and imparting rotational movement to the coins: a drive for rotating the disc; and a stationary sorting head having a contoured surface spaced slightly away from and generally parallel to the resilient surface of the rotatable disc. The sorting head forms at least three discharge stations spaced along the periphery of the head for selectively discharging coins according to the radial locations of the inner edges of the coins and an adjustable guide member for engaging the outer edges of coins of selected denominations and displacing those coins inwardly so that the inner edges …

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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

  • Filed September 24, 1991 and granted August 24, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 24, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2013.
  • 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 24, 1991
GrantedAugust 24, 1999
Term endedSeptember 24, 2011
Patent numberCA 2094602 C
Classification (IPC)G07D3/00 +1 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedSep 24, 1991Patent grantedAug 24, 1999Term endedSep 24, 2011

Sources & verification

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