Packaging for limited lifetime optical data storage media
CA 2488488 A1 · Owner: Speer, Drew V. · Inventors: Rivett, Janet W.; Kennedy, Thomas D.; Speer, Drew V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A package includes a thermoformed web or support member an optical data , storage medium disposed in a cavity of the thermoformed web or on the support , member; and a covering web disposed on the optical data storage medium and on , the thermoformed web or support member and in sealing relationship to the , thermo~formed web or support member; where each of the thermoformed web or support member, and the covering web, includes an oxygen barrier; and where at least one of the thermoformed web or support member and the covering web, includes an oxygen scavenger. Methods of making the package are also disclosed. In addition to, or alternatively to including the oxygen scavenger in at …
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
- Filed July 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 10, 2025.
- 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.