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. 28, 1984
Filed:
Sep. 26, 1983
Applicant:
Inventor:
Charles A Weaver, Indianapolis, IN (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
204-5 ; 204279 ; 204281 ;
Abstract
An improved apparatus for attaching a record matrix to be replicated by electroforming to the cathode of an electroforming device is provided. The apparatus includes a positioning pin which maintains the record matrix center hole concentric to the cathode and to the replicated grooves and a lock knob which effectively holds the center portion of the record matrix in liquid-tight electrical contact with the cathode.
Weaver, Charles. (1984). Apparatus for attaching a matrix to an electroforming device and method (U.S. Patent No. 4468290). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4468290
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile