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.
Patent No.:
Date of Patent:
Nov. 02, 1976
Filed:
Sep. 05, 1975
Applicant:
Inventor:
Joseph A Perry, St. Paul, MN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 / ; 73406 ;
Abstract
A differential pressure switch incorporating a differential pressure sensor formed by a body having shaped chambers therein and an elastic diaphram moving a shaft mounting a magnet and coupled magnetically to magnetically operate controllers mounted outside of the body and adjustably positioned relative to the shaft and magnet for a wide range of adjustment.