Tabletop pressure sealer
CA 2053379 A1 · Owner: Traise, John E. · Inventors: Traise, John E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressure sealer for sealing pressure sensitive adhesive strips on business forms or the like is simple and straight forward, for use primarily in manual operations. First and second driven rollers convey business forms during sealing, and are driven by a single motor driven gear meshing with Delrin* gears integral with the rollers. Pressure applying rollers are mounted above and in alignment with first and second rollers, and are biased by an adjustable spring mechanism to provide the necessary pressure to effect sealing. The spring force applying mechanism can also be disabled so that no force is applied to allow ready inspection and/or replacement of the components, by utilizing a …
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 October 11, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 11, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 11, 2013.
- 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.