Core barrel assembly with tapered design

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Description

FIG. 1 is a front elevational view of a core barrel assembly with tapered design showing my new design as used in a drilling assembly;

FIG. 2 is an enlarged perspective view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a back elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines showing environment in the drawings are included for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a core barrel assembly with tapered design, as shown and described.

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Patent History
Patent number: D643859
Type: Grant
Filed: Jan 19, 2011
Date of Patent: Aug 23, 2011
Assignee: Longyear TM, Inc. (South Jordan, UT)
Inventor: Christopher L. Drenth (Draper, UT)
Primary Examiner: Mark Goodwin
Attorney: Workman Nydegger
Application Number: 29/383,561