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. 30, 1982
Filed:
Dec. 01, 1980
Applicant:
Inventor:
Alan L Schuler, Hingham, MA (US);
Assignee:
General Dynamics Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73295 ; 7330 / ; 137392 ; 340620 ; 340622 ; 361284 ;
Abstract
In a liquid level sensing apparatus having a stillwell in a liquid-holding tank disposed around the sensing device, a bubble shield is provided to interdict the upward flow of bubbles to the stillwell to protect the sensor from contact with bubbles or foreign matter which could result in a false reading.