Method and apparatus for speed envelope printing
CA 2269579 A1 · Owner: Klein, Glenn F. · Inventors: Klein, Glenn F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An envelope construction (10) for high speed printing includes a front panel (20) having a flap (12) with a sealing adhesive strip (16) on its back side and a rear panel (30) secured to the front panel (20) at its marginal edges (32, 34, 36) to form a pocket (P). The thickness of the adhesive strip (16) is substantially the same as the thickness of the rear panel (30) so that when the flap (12) is opened, the overall configuration of the envelope (10) is flat to facilitate stacking and feeding. The combination of the strip (16) and the rear panel (30) are both secured to the back side (20B) of the front panel (20), and the combination adds a layer of a uniform thickness to provide …
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 April 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2019.
- 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.