Method and apparatus for use in low-temperature storage
CA 2106488 A1 · Owner: Cryo-Cell International, Inc. · Inventors: Richard, Daniel D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thawing system comprises a storage unit (121) for maintaining a plurality of biological specimens (16) within a predetermined low temperature range, a plurality of thawing chambers (127) and a, heat exchange assembly (131) for implementing a temperature change in each of the chambers independently of temperature changes in the other chambers. A servomechanism (123) is provided for retrieving selected specimens from the storage unit (121) and transferring the retrieved specimens (16) to respective thawing chambers (127), while a control unit (CC1) is operatively connected to the heat exchange assembly (131) and the servomechanism (123) for operating the heat exchange assembly (131) to …
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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 March 17, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 17, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 17, 2014.
- 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.