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:
Jul. 03, 1984
Filed:
Sep. 03, 1982
Applicant:
Inventor:
Wesley J Burris, II, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166332 ; 166386 ;
Abstract
A float collar for use in inner string cementing operations for well casing where it is desired to open or close the float collar to control the fluids in the casing and on the exterior of the casing. The float collar comprises a float valve collar having a sliding type valve assembly located therein which is capable of being actuated as desired during the inner string well casing cementing operations.
Burris, II, Wesley. (1984). Sliding valve float collar (U.S. Patent No. 4457377). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4457377
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile