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:
May. 08, 1990
Filed:
May. 25, 1988
Applicant:
Inventors:
William Hulsman, Falmouth, MA (US);
Ben G Allen, Cataumet, MA (US);
Assignee:
Benthos, Inc., North Falmouth, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 493 ; 73 52 ;
Abstract
The leaky or non-leaky condition of a membrane-sealed container is determined by causing motion in one direction of one portion of the membrane; sensing motion in a direction opposite the first direction of another portion of the membrane; and delivering a corresponding signal indicative of the leaky or non-leaky condition.