Switch device for printed circuit board and circuit structure
CA 1089971 A · Owner: Abbott Screw & Mfg. Co. · Inventors: Dehaitre, Lon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A switch device for a printed circuit board and the resulting circuit structure including a mounting stud with a pilot threaded section and a working threaded section axially separated by an unthreaded shank and means for mounting the stud to a printed circuit board; and a hollow shell having a locknut mounted on its interior. The distance between the two threaded sections is greater than the interior threaded axial length of the locknut to captivate the shell on the stud. The mounting stud is permanently secured to the circuit board in a hole formed in the board passing adjacent and electrically connected to a conductor on one surface of the board and close to but spaced from a conductor …
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 November 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 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.