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:
Feb. 03, 1976
Filed:
Aug. 21, 1974
Applicant:
Inventor:
Seymour Hoff, San Jose, CA (US);
Assignee:
Alza Corporation, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
128130 ; 128260 ;
Abstract
Intrauterine device with restrictor for maintaining device in uterine cavity having a transverse member and a dependent member connected to the transverse member at a locus on the dependent member with a restrictor on the dependent member for keeping the shape of the device in a resting uterus or a contracting uterus; thereby substantially eliminating the incident of involuntary expulsion from the uterus.