Programmable fluid detector
CA 1284192 C · Owner: Emhart Industries, Inc. · Inventors: Slocum, Laurence S.; Mussmann, Sara M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plurality of probes for sensing their fluid environment are electrically connected to a controller. The controller includes an alarm transducer, relays, a keyboard, and a display connected to a microprocessor and associated memories. Under keyboard control and software direction the microprocessor is operable in a monitor mode in which it monitors the probes and activates the transducer relays, and, display in response to probe signals corresponding to selected alarm conditions, and in a program mode in which the alarm conditions relay, latching conditions, and probe to relay assignments may be selected individually for each probe and relay via the keyboard. A hardware timer interrupts …
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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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.