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:
Dec. 28, 1993
Filed:
Sep. 19, 1991
Applicant:
Inventor:
John W Walker, Perkinston, MS (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
128837 ; 128838 ; 128839 ; 128830 ;
Abstract
This invention titled 'Permanent Diaphragm' is a method of contraception. It is different from conventional diaphragms in that it is secured by suture to the cervix (mouth of the uterus). It is made of durable material that can be worn indefinitely. It can be inserted and can be removed as an office procedure.
Quick Actions:
Walker, John. (1993). Permanent diaphragm (U.S. Patent No. 5273054). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5273054
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