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Expired Canadian patentCanada

Reader-filler machine for inserting film strips into microfiche jackets

CA 1193478 A · Owner: Bell & Howell Company · Inventors: Dorman, Isidore

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 reader-filler machine adapted to insert a discrete strip of microfilm having a series of image frames into a selected channel of a microfiche jacket. The jacket is provided with parallel channels each having an entry slot adjacenthe front end. The machine includes a film drive mechanism which cooperates with an optical viewer. The film strip is advanced by the mechanism along the track of a track block which terminates adjacent the front end of a pivoted table which is spring-loaded. The block includes a pair of pressure fingers projecting from either side of the track exit and a pair of flat locating guides flanking the fingers. In operation the user first tilts the table downwardly with …

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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 September 17, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 17, 1983
GrantedSeptember 17, 1985
Term endedSeptember 17, 2002
Patent numberCA 1193478 A
Classification (IPC)G03B21/64

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 17, 1983Patent grantedSep 17, 1985Term endedSep 17, 2002

Sources & verification

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