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Expired Canadian patentCanada

Retrofit, newspaper tracking audit system for newspaper rack machines

CA 1294048 C · Owner: Bellatrix Systems, Inc. · Inventors: Ellsberg, Thomas R.

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 Abstract of the Disclosure, A retrofit automatic audit system for a door-access coin-operated newspaper rack machine is disclosed. The system operates in conjunction with the standard door-lock mechanism and includes a retrofit purchase-mechanism mounted on the machine. The purchase-mechanism includes an electromechanical audit structure which is operatively connected to the purchasemechanism and door-lock mechanism and monitors and records service and transaction audit data involving the purchasemechanism. A portable data transfer unit is proximity coupleable with the audit structure for acquiring audit data therefrom. The system includes proximity activation through magnetic structure …

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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 January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 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.
FiledOctober 5, 1988
GrantedJanuary 7, 1992
Term endedJanuary 7, 2009
Patent numberCA 1294048 C
Classification (IPC)G06F7/04 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 5, 1988Patent grantedJan 7, 1992Term endedJan 7, 2009

Sources & verification

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