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:
Mar. 25, 1976
Applicant:
Inventor:
Mark R Estabrook, Rockford, IL (US);
Assignee:
Barnes Drill Co., Rockford, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210401 ;
Abstract
An indexable filter web is advanced beneath a vacuum box by a perforated flexible belt and is held against the belt by two endless bands adapted to travel along opposite sides of the vacuum box when the web is advanced.
Estabrook, Mark. (1977). Vacuum filter with indexable filter web (U.S. Patent No. 4062780). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4062780
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile