Thermal cycler for pcr
CA 2464973 A1 · Owner: Hetherington, Paul M. · Inventors: Olsen, Douglas E.; Fawcett, Adrian; Wittmer, Charles M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An instrument for performing highly accurate PCR employing an assembly a , heated, cover and an internal computer. The assembly is made up of a sample block a, number of Peltier thermal electric devices and heat sink clamped together. , The, sample block temperature is changed exclusively by the thermoelectric devices (39), controlled by the computer. The sample block is of low thermal mass and is constructed of silver. The Pettier devices are designed to provide fast temperature, excursions over a wide range. The heat sink has a perimeter trench to minimize edge, losses and is adjacent to a continuously variable fan. A perimeter heater is used to, improve the thermal unifomity across …
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 March 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2020.
- 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.