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:
Oct. 15, 1991
Filed:
May. 29, 1990
Applicant:
Inventors:
Faisal J Yousef, Houston, TX (US);
Robert F Kane, Houston, TX (US);
Joel Ham, Cypress, TX (US);
David Mildren, Houston, TX (US);
Assignee:
Galloway Trust, Neenah, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; F16B / ;
U.S. Cl.
CPC ...
175415 ; 411414 ; 411366 ; 285334 ;
Abstract
A screw thread structure includes a root portion, the shape of which is defined by portions of two axially overlapping ellipses interconnected by a flat.
Quick Actions:
Yousef, Faisal. (1991). Screw thread structure (U.S. Patent No. 5056611). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5056611
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile