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:
Aug. 09, 1977
Filed:
Apr. 23, 1975
Applicant:
Inventor:
John D Plumadore, Westfield, MA (US);
Assignee:
A. B. Dick/Scott, S. Hadley, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
2503 / ; 250326 ;
Abstract
Disclosed is an improved apparatus for electrostatically charging an electrophotographic film held stationary with respect to a corona source. The improvement consists of a capacitor interconnecting the film to ground for limiting the amount of charge deposited upon the film during charging.
Plumadore, John. (1977). Apparatus for electrostatically charging an electrophotographic film (U.S. Patent No. 4041312). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4041312
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile