Method and apparatus for continuously patterning a photosensitive tape
CA 1099823 A · Owner: Western Electric Company, Incorporated · Inventors: Bruning, John H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method and apparatus for continuously patterning a photosensitive tape. The apparatus is comprised of a unit for continuously translating the photosensitive tape in a predetermined direction at a predetermined speed between a tape feeding unit and a tape receiving unit. A cylindrical transparent body is provided which has its longitudinal axis perpendicular to the predetermined direction and its cylindrical surface adapted to have defined thereon in fixed relationship with respect to the body the entire extent of a first predetermined endless pattern to be projected. A direct drive is provided for the cylindrical body for synchronously coupling the …
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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 April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.