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:
Jul. 01, 1980
Filed:
Aug. 07, 1978
Applicant:
Inventor:
Kenneth A Perrotta, Methuen, MA (US);
Assignee:
Whatman Reeve Angel Limited, Maidstone, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2104 / ; 210504 ; 210505 ; 210507 ; 210509 ;
Abstract
A glass-fiber filter tube and process of preparing the filter tube, which filter tube comprises a plurality of randomly disposed, fine glass fibers bonded, at the junction of the fibers, with a fused thermoplastic fluorocarbon resin, which filter tube may also include a reinforcing support scrim sheet incorporated integrally therein.