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Expired Canadian patentCanada

Method and arrangement for validating coupons

CA 1290850 C · Owner: May, Lance · Inventors: May, Lance

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 invention relates to a method and machine for use in coupon verification. At least two juxtaposed coupons each, having a bar code printed or formed thereon are passed, substantially simultaneously through or relative to bar code reader means provided in a machine for verifying coupons. The machine additionally includes holding and dispensing means and a programmed processor. In use at least two, juxtaposed coupons are passed substantially simultaneously into and through the bar code reader means of the machine. On the juxtaposed coupons being accepted and verified by the bar code reader means, matter is caused to be dispensed from the holding and dispensing means of the machine.

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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 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.
FiledNovember 1, 1988
GrantedOctober 15, 1991
Term endedOctober 15, 2008
Patent numberCA 1290850 C
Classification (IPC)G07D7/00 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedNov 1, 1988Patent grantedOct 15, 1991Term endedOct 15, 2008

Sources & verification

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