Patent Yard Sign in
Expired Canadian patentCanada

Mounting arrangement for a critical flow device

CA 1248362 A · Owner: American Meter Company · Inventors: Hicks, Irwin A.

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 axial flow valve has its cage bolt replaced by a sonic nozzle. This device may then be permanently installed in a pipeline in series with a meter to provide the facility for on site calibration of the meter.

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 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 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.
FiledJanuary 13, 1986
GrantedJanuary 10, 1989
Term endedJanuary 10, 2006
Patent numberCA 1248362 A
Classification (IPC)G01F25/00 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedJan 13, 1986Patent grantedJan 10, 1989Term endedJan 10, 2006

Sources & verification

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