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:
Feb. 12, 1985
Filed:
Mar. 05, 1984
Applicant:
Inventor:
Russell A Johnston, Houston, TX (US);
Assignee:
Camco, Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
1661175 ;
Abstract
A sidepocket mandrel having a one piece body section with a keyhole cross section extending from one end of the body to the other end of the body forms an open bore and an offset bore. A one piece integral insert having a locking shoulder and a sidepocket includes an external shape to mate in the offset bore in the lower portion of the body allowing the upper portion of the offset bore to function as a discriminator.