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:
Mar. 30, 1976
Filed:
Apr. 04, 1975
Applicant:
Inventors:
Willem Johannes Postma, Eindhoven, NL;
Hans Tielrooy, Eindhoven, NL;
Johannes Hubertus Tobben, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
336192 ; 336198 ; 336212 ;
Abstract
A coil shape comprising: A. an H-shaped ferromagnetic core B. a coil former of synthetic material. The coil former is moulded about the H-shaped core and is provided with grooves such that the mechanical stresses produced by the shrinking of the coil former are completely or substantially removed.
Postma, Willem. (1976). Coil shape comprising an h-shaped coil core (U.S. Patent No. 3947796). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3947796
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile