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:
Feb. 16, 1982
Filed:
Sep. 19, 1980
Applicant:
Inventor:
Mulk A Arora, Williamston, MA (US);
Assignee:
Sprague Electric Company, North Adams, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ;
U.S. Cl.
CPC ...
2041294 ; 20412943 ;
Abstract
Aluminum electrolytic capacitor foil is etched by subjecting the foil to etching for a period of time, followed by a rest period during which no etching takes place, subjecting the foil to etching for another period, followed by another rest period, and repeating these steps until the foil is etched to the desired level. An alternating current is used.
Quick Actions:
Arora, Mulk. (1982). Intermittent ac etching of aluminum foil (U.S. Patent No. 4315806). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4315806
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile