Single reel tape cartridge used with a leader block
CA 1298911 C · Owner: Gelardi, Anthony L. · Inventors: Gelardi, Anthony L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A single-reel tape cartridge containing a reel of tape with a free end attached to a leader block secures the leader block in a leader block receiving well when the tape is stored in the tape cartridge. A rib is formed on one of the side walls of the tape cartridge to prevent the leader block from being driven into the tape cartridge by an external force.
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 April 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 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.