Patent Yard Sign in
Expired Canadian patentCanada

Align boring machine

CA 1089257 A · Owner: Aldridge, R. Warren, Jr. · Inventors: Aldridge, R. Warren, Jr.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

An align boring machine for boring bearing housings of an automotive engine block wherein a boring bar is rotably suspended by and rotably driven between two columns positioned upon machine ways and the engine, block is mounted for aligned movement along said ways. - 1 -

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 November 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 11, 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.
FiledFebruary 5, 1979
GrantedNovember 11, 1980
Term endedNovember 11, 1997
Patent numberCA 1089257 A
Classification (IPC)B23B41/12 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Application filedFeb 5, 1979Patent grantedNov 11, 1980Term endedNov 11, 1997

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.