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. 04, 1983
Filed:
Aug. 27, 1981
Applicant:
Inventor:
D Wayne Van Winkle, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166 85 ; 166243 ;
Abstract
Housing means are adapted to be secured adjacent the upper end of a well bore with latch means supported therein for latching with the fishing neck on the upper end of a wire line tool when it is retrieved from the well bore. The housing means includes release means constructed and arranged to unlatch and maintain the latch means unlatched from the fishing neck on the upper end of the wire line tool when desired.