Surface treating apparatus
CA 1087011 A · Owner: Moench, Frank F. · Inventors: Moench, Frank F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In surfacing apparatus for asphaltic surfaces and the like there is provided a truck-drawn trailer a hood and burner assembly having a, hood suspended from the trailer open at the bottom that heats the surface over which the assembly is moved, a scarifying assembly supported by the trailer that breaks up the heated surface and a leveling device drawn behind the scarifying assembly that levels the broken surface material. The hood and burner assembly has a refractory lined combustion chamber with a sloping roof so that the combustion chamber decreases in volume toward the trailing end for heating uniformly, a joint gap between liner members that is wider at the top and top filled to retain a …
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 October 7, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 1997.
- 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.