Expired Canadian patentCanada
Well forming apparatus
CA 1292435 C · Owner: De Ros, Angelo · Inventors: De Ros, Angelo; Cavenaghi, Luigi
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an apparatus which is able to form a desired number of wells in gelatinous media, as for example agar-based media contained in dishes or plates such as the normal microbiological culture dishes or plates.
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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
- Granted November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 7, 1986
GrantedNovember 26, 1991
Term endedNovember 26, 2008
Patent numberCA 1292435 C
Classification (IPC)C12M1/16
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.