Fluid pulse counter
CA 1072837 A · Owner: Amerace Corporation · Inventors: O'Neil, Charles P.; Malecki, Ronald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for providing a fluid pressure output signal upon receipt of fluid pressure input pulses in predetermined number. Fluid pressure isolation is provided as between input and output portions of the apparatus whereby the fluid pressure level of the output signal may be variably preselected irrespective of the pressure level of the input pulses.
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 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 1997.
- 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.