Single-ply uneven double parallel fold business form assembly with or without return envelope
CA 2124427 A1 · Owner: Moore Business Forms, Inc. · Inventors: Wetherhold, William K, Jr.; Sauerwine, Dean N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A single-ply is folded about a transverse fold line longitudinally offset from a median through the ply and folded about parallel substantially coincident axes to form first, second, third and fourth panels of a mailer assembly. Longitudinally extending lines of perforations define marginal tear strips and transversely extending lines of perforations on the second and third panels adjacent the middle fold line and adjacent a free end of the first panel register with one another to form an end tear strip adjacent the top or bottom of the mailer. Where a return envelope is required one of the panels, has a U-shaped pattern of heat-sealable adhesive to join a pair of registering panels one to …
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 May 26, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 26, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2016.
- 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.