Core barrel assembly with tapered design

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

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

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Inventors:	Drenth; Christopher L. (Draper, UT)
Assignee:	Longyear TM, Inc. (South Jordan, UT)
Appl. No.:	D/383,561
Filed:	January 19, 2011

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	12968994	Dec 15, 2010
	12968127	Dec 14, 2010
	12898878	Oct 6, 2010

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Current U.S. Class:	D15/21
Current International Class:	1503
Field of Search:	;D15/21,28 ;175/403,58,236,243,246,317,44,255,234,230,19,249,285,258,72,251,247,244 ;173/137 ;166/214,237,285,177.4,98

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Primary Examiner: Goodwin; Mark
Attorney, Agent or Firm: Workman Nydegger