Double sided sanding block
CA 1322852 C · Owner: Kernen, Herman W. · Inventors: Kernen, Herman W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Conventional sanding blocks have the abrasive surfaced paper extending from side to side and being secured to the sides which inhibits heavy lengthwise sanding and the surface of the block upon which the abrasive paper is secured is generally planar. Some blocks permit the abrasive material to extend from one end to the other but anchoring same against movement during the heavy sanding action is difficult. The present block has a double-sided configuration enabling two different types of abrasive paper or the like to be secured one on each side thereof. Blind slots are formed in each end of the block into which the ends of the upper and lower abrasive paper or material engage and which is …
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 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 2010.
- 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.