The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 16, 1976

Filed:

Sep. 11, 1974
Applicant:
Inventors:

Arthur Coleman, Dundee, SC;

Andrew Swan, Dundee, SC;

David Doig, Monifieth, SC;

Assignee:

Veeder Industries, Inc., Hartford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 44 ; 335206 ; 335207 ; 3402 / ;
Abstract

A key operated switch device in which any one of a set of different keys may be utilized to operate a particular combination of sets of electrical contacts unique to that key, the sets of electrical contacts being provided by reed switches located adjacent a keyway adapted to receive any one of the keys in said set, and the keys incorporating different arrangements of magnets or magnetized zones adapted to actuate different combinations of said reed switches.


Find Patent Forward Citations

Loading…