Post indicating valve assembly indicator
CA 1211995 A · Owner: Amsted Industries Incorporated · Inventors: Gain, Lorand H. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a valve having an improved valve position indicator so as to provide an accurate indication of the valve position from a distance. The improvement comprises the provision of indicators affixed to a member connected directly to the valve closure member so that the indicators may be positioned relative to viewing windows of an extension post of the valve to provide a corresponding open or closed valve position. -i-
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 September 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 2003.
- 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.