Letter processing apparatus
CA 1292302 C · Owner: Durst, Robert T. Jr. · Inventors: Durst, Robert T. Jr.; Schmidt, Alfred C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract Of The Disclosure Apparatus is provided which includes structure for preparing a letter including a returnable stationery item for sending to an addressee, wherein the returnable stationery item includes a code. In addition the apparatus, includes structure for routing the stationery item when it, is returned, to a selected one of a plurality of locations. The routing structure includes structure for sensing the code. Further, the apparatus includes a computer coupled to the routing structure. The computer is programmed for controlling the routing structure and for storing a dispositive data listing for the code. The dispositive data listing includes information defining the …
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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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
- 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.