Dispensing system for administering beneficial agent formulation to ruminants
CA 1285842 C · Owner: Eckenhoff, James B. · Inventors: Eckenhoff, James B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dispensing device is disclosed for delivering a beneficial agent. The device comprises (1) a housing defining an internal space (2) an expandable composition in the space (3) an aqueous sensitive, beneficial agent formulation in the space and (4) at least one passage-, way in the housing for delivering the beneficial agent from the dispensing device.
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 July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 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.
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.