Envelope opening apparatus
CA 1300575 C · Owner: Pitney Bowes Inc. · Inventors: Auerbach, David R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for separating the front and back walls of an envelope. The apparatus includes a supporting frame; a device mounted on the supporting frame for holding an envelope having a back wall, a front wall and a flap, extending from the back wall but not contiguous with the back wall; and an orbital claw assembly mounted in the supporting frame. The claw assembly includes a claw movable in an orbit which positions the tip of the claw at an appropriate time between the front and back walls of the envelope and thereafter further movement of the claw in the orbit causes the claw to separate the front wall from the back wall of the envelope.
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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.