Expired Canadian patentCanada
Method and device for pesticide dispensing
CA 1270192 C · Owner: Coopers Animal Health Inc. · Inventors: Rupe, Billy Dean; Strobl, Frederick Paul, Jr.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a method for increasing the effectiveness of release of a pesticide from a thermoplastic resin and to an improved pesticidal ear tag employing this method.
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
- Granted June 12, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 12, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 28, 1984
GrantedJune 12, 1990
Term endedJune 12, 2007
Patent numberCA 1270192 C
Classification (IPC)A01N25/34 +1 more
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.