Leader or trailer tape for a magnetic recording medium
CA 1092451 A · Owner: Fuji Photo Film Co. Ltd. · Inventors: Amari, Hiroshi; Fujiyama, Masaaki; Tamai, Yasuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A leader or trailer tape for a magnetic recording medium ABSTRACT OF THE DISCLOSURE, The present invention relates to a leader or trailer tape for a magnetic recording medium, which comprises a nonmagnetic flexible support having a surface roughness of at least 0.15 µm, at least one side thereof being optionally subjected to a surface activating treatment and a trans-, parent and electrically conductive metal oxide layer provided thereon.
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 December 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 1997.
- 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.