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Expired Canadian patentCanada

Film processor with rinse transfer roller between baths

CA 1056639 A · Owner: Huss, Heinrich · Inventors: Huss, Heinrich

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 apparatus has at least two containers for baths of treating liquid. Each container accommodates a plurality of guide rollers which guide the carrier in a loop-shaped path through the container, the path having a bight and a deflect-, ing roller which deflects the carrier in the bight. All of the rollers are at least partly immersed in the respective bath. A receptacle is provided for accommodating a body of fresh rinsing water, and a carrier transfer roller is at least partly immersed in the body of water in the receptacle and engages and transfers the carrier from one to the other of the containers. -1-

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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 June 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 19, 1979
Term endedJune 19, 1996
Patent numberCA 1056639 A
Classification (IPC)G03D13/04 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 19, 1979Term endedJune 19, 1996

Sources & verification

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