Double-sided tape for automatic dispensing gun
CA 2383533 A1 · Owner: Specialty Tapes, Llc · Inventors: Werner, Richard S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A roll of tape for use in an automatic tape gun (10) that includes an adhesive layer (14) having a liner-side surface and an exposed-side surface and a release-liner (16) adhering to the liner-side surface of the adhesive layer (14). The adhesive-layer (14) thickness and the release-liner (16) are selected such that the ratio of tape length to roll diameter on a standard 1.375 in. roll core, where the tape roll has a standard outer diameter of approximately 3.1875 in. is substantially greater than that about 400:1 whereby tape of extended length is usable on standard tape guns (10) to minimize tape-roll changeovers. Version of tape having length to roll diameter ratios greater than …
Read the whole patent
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
- Filed August 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2022.
- 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.