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. 24, 1981
Filed:
Jan. 10, 1979
Applicant:
Inventor:
Charles B Beal, Menlo Park, CA (US);
Assignee:
Health Development Corporation, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
128348 ; 128341 ; 128657 ; 128772 ;
Abstract
A device for use in inserting soft and flexible tubular devices into a body passageways, said device characterized by being formed from a flexible base, such as multiple-strand nylon thread and having deposited upon said flexible base a soluble material such as gelatin, said soluble material characterized by being less flexible than said base in its undissolved state.
Beal, Charles. (1981). Gastro-intestinal tube guide and stiffener (U.S. Patent No. 4257421). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4257421
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile