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Expired Canadian patentCanada

Multi-product coupon

CA 1110676 A · Owner: Morton, Robert · Inventors: Amrein, James R.; Morton, Robert S.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

i-, MULTI-PRODUCT COUPON, ABSTRACT, A printed promotional coupon comprises a multipleproduct base coupon and a plurality of product stamps. The product stamps bear indicia defining a coupon redemption value for a particular product purchase. The coupon acquires value and becomes effective only by the affixing of one or more stamps onto the base coupon, each at a location which bears indicia corresponding to the associated stamp. The coupon holder can determine the overall redemption value of the coupon by selecting the number of stamps affixed cor-, responding to the number of different products purchased at any retail store carrying the products. In one embodiment the base coupon and …

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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 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 1998.
  • 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 10, 1979
GrantedOctober 13, 1981
Term endedOctober 13, 1998
Patent numberCA 1110676 A
Classification (IPC)G09F9/00 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedOct 10, 1979Patent grantedOct 13, 1981Term endedOct 13, 1998

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