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:
Jan. 07, 1986
Filed:
Jan. 23, 1984
Applicant:
Inventor:
Gregory K Anderson, Scarborough, CA;
Assignee:
Ortho Pharmaceutical (Canada) Ltd., Don Mills, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
128130 ; 128127 ;
Abstract
An intrauterine contraceptive device of a Tatum T shape which carries copper sleeves on its arms wherein the arm portion carrying the sleeve is of a smaller diameter than the remaining portion of the arm. This arrangement allows for minimization or elimination of an exposed and elevated copper sleeve edge which may abrade the uterus on insertion and/or removal.
Anderson, Gregory. (1986). Streamlined t-shaped intrauterine device (U.S. Patent No. 4562835). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4562835
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile