Micro-abrasive finishing device
CA 1306871 C · Owner: Johnson, James N. · Inventors: Johnson, James N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A micro-abrasive finishing device used to finish work pieces has a housing for a removable interchangeable abrasive cassette. The cassette has a pair of spools with a band of micro-abrasive material positioned thereon an oscillating head, in the housing has a plurality of guide rollers to guide the abrasive band over an oscillating head on a fixed mounting plate, a plurality of spaced rods extend between said fixed mounting plate and said housing, a nylon head insert is movably positioned on said rods, a device is arranged to oscillate the head insert and to drive one of said spools. A yolk is adjustably positioned in the nylon insert, a platen is positioned in the yolk which is adjustably …
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 September 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.