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. 20, 1983
Filed:
Jul. 23, 1982
Applicant:
Inventor:
R Benton Nickles, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ; F16L / ;
U.S. Cl.
CPC ...
138 89 ; 405203 ; 405195 ; 166188 ; 166192 ;
Abstract
A retrievable plug having a dog locking sleeve which has a specially contoured outer surface to more closely fit within the packer mandrel and increased axial length to limit movement of the dog locking sleeve within the plug thereby eliminating binding of the dog locking sleeve within the plug mandrel during actuation of the plug body for the removal of the plug body from the member in which it is installed.
Nickles, R. (1983). Dog locking sleeve (U.S. Patent No. 4421138). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4421138
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile