Patent Yard Sign in
Expired Canadian patentCanada

Coating compositions

CA 1184686 A · Owner: Scott Bader Company Limited · Inventors: Layton, John M.

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

Container handlers comprise a plurality of double-acting hydraulic cylinders to effect the various side shift, twist lock, tilt, height adjustment and, spread modes of operation. Separate control valves a hoses, entrained over the mast assembly having the attachment thereon, are required to effect such functions selectively. A programmed electro-hydraulic control circuit reduces the required number of hoses to two and provides a non-complex system which can be operated expeditiously. The control circuit for example, comprises a main control valve and a master switch, each movable between first and second positions, first and second switches each movable between a closed position connecting …

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 March 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 14, 1981
GrantedMarch 26, 1985
Term endedMarch 26, 2002
Patent numberCA 1184686 A
Classification (IPC)C09D5/14 +2 more

Timeline

Timeline From CIPO dates

1982198519881991199419972000Application filedAug 14, 1981Patent grantedMarch 26, 1985Term endedMarch 26, 2002

Sources & verification

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