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:

Aug. 07, 1974
Applicant:
Inventors:

Motoi Noba, Toyota, JA;

Hatsuyoshi Yoshida, Toyoake, JA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200302 ; 200306 ;
Abstract

An electric switch having a sealed casing or a closed type switch wherein a breather hose has its one end opened to the interior of a closed contact chamber, so that the breathing action of the contact chamber due to its temperature change is made through the breather hose. An opening at the other end of the breathing hose is located in an outside atmosphere of good condition, whereby air of high humidity is prevented from intruding into the contact chamber.


Find Patent Forward Citations

Loading…