Relay operating electromagnet comprising plural coils mounted on a u-shaped core and a free-floating armature
CA 1107327 A · Owner: American Standard Inc. · Inventors: Lichtenberger, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case No. 6984), IMPROVED ELECTROMAGNETIC STRUCTURE FOR A VITAL RELAY, ABSTRACT OF THE DISCLOSURE An improved electromagnetic relay structure employing a multiple coil U-shaped electromagnet, a flat spring biased armature and a single piece U-shaped metallic frame for providing a floating hinge joint and a teeter point for the armature whereby the magnetic attractive pull on the armature is enhanced without diminishing the amount of armature movement.
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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.