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:
Sep. 06, 1977
Filed:
Jul. 31, 1975
Applicant:
Inventor:
Leonardo Cadeddu, Crema, IT;
Assignee:
Benditalia S.p.A., , IT;
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 / ;
Abstract
A fluid reservoir is made of non magnetic material and comprises two chambers communicating with a common well. A float is disposed in the well and bears a permanent magnet, and a switch is disposed outside the reservoir. The switch is actuated by the magnetic field of the magnet when the float is at a predetermined level in the reservoir.