Expired Canadian patentCanada
Sheet lifter with pocket
CA 1209871 A · Owner: Jahn, Gerhard · Inventors: Jahn, Gerhard
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a sheet lifter for use in a ring-type binder with the sheet lifter being transparent to allow viewing through the sheet lifter and being provided with pockets for receiving material directly in the sheet lifter.
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 August 19, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 13, 1982
GrantedAugust 19, 1986
Term endedAugust 19, 2003
Patent numberCA 1209871 A
Classification (IPC)B42F13/16 +2 more
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.