Document carrier envelope
CA 1264464 C · Owner: Bates, Daniel A. · Inventors: Bates, Daniel A.; Cooper, Donald E.; Chandek, Anthony R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A document carrier envelope is particularly useful for protectively transporting checks being returned from an institution on which the check was written to the institution at which the check was deposited. The envelope is of opaque stock thereby, preserving confidentiality of the return check. The envelope is imprinted with coded indicia indicating specific financial data suitable for high speed processing. The envelope front and back panel are joined in facing contact along the margins of the edges, thereby reducing entry of air into the envelope and eliminating fouling the processing machinery. The envelope flap is notched to receive a letter opener and the flap fold line is perforated, …
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
- Granted January 16, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 2007.
- 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.