Sheet material for masking apparatus
CA 1329174 C · Owner: Pool, Dan B. · Inventors: Pool, Dan B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An elongate sheet of flexible fluid impervious material is, folded into longitudinally extending pleats and coiled into a roll for use with masking apparatus of either the stationary or the hand held type. The sheet is coiled in a direction for continuous application of tape to overlap an edge of the outer surface of the roll as the folded sheet and the tape are dispensed. The first pleat is provided with a laterally projecting terminal portion to receive the tape and prevent contact between the underlying sheet material and the tape. After a length of the material is dispensed severed from the, roll and adhesively affixed to the surface to be masked the, sheet is extended laterally to …
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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.