Sand-dispensing device for motor vehicles
CA 1202048 A · Owner: Cervinka, Franz · Inventors: Cervinka, Franz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A motor vehicle system which for dispensing sand is provided, with a refillable sand container a sand channel (7) and a flap (15) that opens downwards and closes a sand outlet (14) and has a heating system, (24) in the closing surfaces (26) of the flap (15) at the sand outlet (14). This consists preferably, of an electrical wire heating element (25) that is provided in the closing surfaces (26) or in the walls of the sand outlet (14), on or in a gasket (16) between the flap (15) and the sand outlet (14). The heating system helps prevent the flap (15) freezing shut on account of road spray, snow and cold and thus preserves the functional, capability of the sanding system.
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 March 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 2003.
- 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.