Maximum pressure manometer
CA 1098334 A · Owner: Kendall Company (The) · Inventors: Cianci, James P.; Peterson, James J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A manometer for recording maximum pressures from a liquid supply comprising, a closed air chamber an elongated, channel communicating with the supply adjacent a lower end of the channel and communicating with the chamber through an opening adjacent an upper end of the channel and an overflow cavity, positioned to receive and collect liquid passing through the channel and opening such that the quantity of liquid collected in the cavity provides an indication of the maximum pressure achieved by the supply.
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 31, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 1998.
- 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.