Alarm control system
CA 1050147 A · Owner: General Signal Corporation · Inventors: Budrys, Ignas; Grossi, Benedetto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flexible, expandable alarm control system in which varying combinations of functional circuit blocks or modules can be selected and connected in positions on a control panel by the customer or user of the system. Thus, the system can be modified to satisfy changing functional requirements by substitution of modules; furthermore, it can be expanded by adding functional modules to a given control panel or by extending the system to auxiliary control cabinets in which more circuitry can be mounted.
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 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 1996.
- 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.