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.

Date of Patent:
Aug. 03, 1976

Filed:

Dec. 06, 1974
Applicant:
Inventors:

Siegfried Hendrik Hagen, Emmasingel, Eindhoven, NL;

Cornelis VAN Osenbruggen, Emmasingel, Eindhoven, NL;

Herman Anton, Emmasingel, Eindhoven, NL;

Joseph Reemers, Emmasingel, Eindhoven, NL;

Gerrit Verspui, Emmasingel, Eindhoven, NL;

Assignee:

U.S. Philips Corporation, New York, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ; C25F / ; C25F / ;
U.S. Cl.
CPC ...
2042 / ; 20412955 ;
Abstract

Electrode for electrochemically machining electrically conducting workpieces, in particular machining them by removal of material, which electrode is locally coated with a screening layer consisting of a polycristalline semiconductor material, which layer preferably comprises two component layers of p and n-conductivity type respectively.


Find Patent Forward Citations

Hagen, Siegfried. (1976). Electrode for electrochemical machining (U.S. Patent No. 3972797). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3972797

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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