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. 31, 1987
Filed:
Dec. 23, 1983
Applicant:
Inventors:
John Ugelstad, Trondheim, NO;
Turid Ellingsen, Trondheim, NO;
Arvid Berge, Trondheim, NO;
Oskar B Helgee, Molnlycke, SE;
Assignee:
SINTEF, Trondheim, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ; B32B / ;
U.S. Cl.
CPC ...
428407 ; 428900 ; 252 6254 ; 521 55 ; 5253282 ; 5253304 ; 5253305 ; 5253322 ; 5253335 ; 5253336 ; 525344 ; 525374 ;
Quick Actions:
Ugelstad, John. (1987). Magnetic polymer particles and process for the preparation thereof (U.S. Patent No. 4654267). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4654267
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile