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. 24, 1978
Filed:
May. 16, 1977
Tommy L McClure, Houston, TX (US);
Eastman Whipstock, Inc., Houston, TX (US);
Abstract
Apparatus is disclosed to indicate at the surface when a tool lowered into a well bore on an electric cable is properly positioned in a downhole housing. The tool has a key slot and a muleshoe is carried by the tool to engage a key located on the housing and to guide the key into the key slot to properly position the tool. A sensing coil is carried by the tool and positioned for its magnetic field to pass through the key slot. Circuit means monitor the magnetic field and indicate at the surface when the key has been properly positioned in the slot.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile