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Expired Canadian patentCanada

Pneumatic bottle stop

CA 1255270 A · Owner: Figgie International Inc. · Inventors: Mcgill, Robert W.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A pneumatic bottle stop for a case packer is presented. Fundamentally, the bottle stop consists of a cylinder associated with each lane of a case packer. A piston of each cylinder extends into the lane. for making contacting engagement with oncoming bottles or articles. The bottles compress the piston into the cylinder, expelling air therefrom through an adjustable orifice of an associated quick dump valve. The pistons are extended by the application of exhaust air derived from a head control cylinder when the piston of that cylinder is drawn to position skid bars in the head to receive oncoming bottles. A bleeder valve is provided such that the cylinders associated with each lane are …

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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 June 6, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 6, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 28, 1985
GrantedJune 6, 1989
Term endedJune 6, 2006
Patent numberCA 1255270 A
Classification (IPC)B65B57/10 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedOct 28, 1985Patent grantedJune 6, 1989Term endedJune 6, 2006

Sources & verification

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