Method of liquid-treating speciments for microscopic observation
CA 2238002 A1 · Owner: Tateya, Hiroe · Inventors: Tateya, Hiroe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for automatically dyeing samples for microscopy wherein slide , glasses (12) supported on a dyeing cage (6) are immersed completely in the cleaning water (11) stored in a liquid storage vessel (2) and thereafter pull , up the slide glasses completely from the cleaning water (11). These actions are made repeatedly to promote the replacement of the cleaning water in the clearances (13) between adjacent slide glasses (12) by new cleaning water. Thus, an operation for washing away the chemicals deposited on the slide glasses (12) can be carried out effectively for conducting a sample dyeing treatment.
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 September 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 18, 2019.
- 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.