Disc package
CA 1235491 A · Owner: Cbs/Sony Records Inc. · Inventors: Yamada, Masaki; Oishi, Kazuhiro; Yokoi, Mitsuru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disc package for enclosing a record disc and which is capable of opening to permit the disc to be withdrawn therefrom for insertion into a disc player comprises a body for accommodating the record disc a cover, and a cover, hinge pivotably connecting the cover to the body. The body comprises a first part adjacent to the cover hinge a second, part spaced away from the cover hinge and a body hinge, pivotably connecting the first and second body parts. A central holding member formed on the first body part is engageable within a center hole formed in the disc when the package is closed around the disc. A peripheral holding member is formed on a side of the second body part remote from the …
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 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 19, 2005.
- 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.