Apparatus for picking up dog excrement
CA 1294743 C · Owner: Doyen, Hans-Henning · Inventors: Doyen, Hans-Henning
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a apparatus for picking up dog excrement in conjunction with a street sweeper, which picks up by suction over a suction duct a sepa-, rating container for the dog excrement picked up is connected ahead of the dirt container of the street sweeper the two containers being, joined to each other over a suction line. By these means contamination, of the sweeper is avoided.
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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.