Line boring apparatus
CA 1279505 C · Owner: Mair, Alexander C. · Inventors: Dehart, Arnold O.; Mair, Alexander C.; Allgaier, Leonhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure. A line boring machine adapted for high speed line boring of engine blocks or the like featuring a series of spaced crankcase bulkheads, employes a motorized spindle capable of advancing and boring bar, from one end of the block therethrough to the other end to penetrate a remote cutting end of the bar serially through the bulkheads.
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 January 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2008.
- 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.