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:
Dec. 13, 1977
Filed:
Jun. 04, 1976
Applicant:
Inventors:
Richard Strauss, Lexington, MA (US);
Philip C Kimball, Andover, MA (US);
Assignee:
Whatman Reeve Angel Limited, Maidstone, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02C / ;
U.S. Cl.
CPC ...
210446 ; 55498 ; 55501 ; 55511 ; 210450 ; 210451 ; 210453 ; 210455 ; 210456 ;
Abstract
A disposable filter unit which comprises a self-gasketing, self-supporting, bonded, glass-fiber filter tube sealed in a housing with two similar plastic molded end units, with one peripheral edge of the tube compressed against the interior face surface of one end unit, and the other peripheral edge against a solid surface disc element within the housing.