Machine for softening an asphalt road surface
CA 1233357 A · Owner: Bzowski, Christopher · Inventors: Crupi, Franco A.; Measures, Ernest R.; Bzowski, Christopher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A machine for softening an asphalt road surface has a housing with a bottom peripheral wall positionable in engagement with a road surface, a gas heater ducts for, conveying hot gas from the heater to the housing and to the road surface under the housing and for recycling gas from the housing after contact with the road surface to the gas heater for reheating, and a fan for circulating gas through the ducts.
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 1, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 1, 2005.
- 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.