Alignment sub

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Description

FIG. 1 is a front left perspective view of an alignment sub, showing our new design;

FIG. 2 is a rear right perspective view of the alignment sub as shown in FIG. 1;

FIG. 3 is a rear elevated view of the alignment sub as shown in FIG. 1;

FIG. 4 is a front elevated view of the alignment sub as shown in FIG. 1;

FIG. 5 is a bottom plan view of the alignment sub as shown in FIG. 1;

FIG. 6 is a top plan view of the alignment sub as shown in FIG. 1;

FIG. 7 is a left side elevated view of the alignment sub as shown in FIG. 1;

FIG. 8 is a right side elevated view of the alignment sub as shown in FIG. 1;

FIG. 9 is a cross-section view of the alignment sub as shown in FIG. 7 along line 9-9; and,

FIG. 10 is a cross-section view of the alignment sub as shown in FIG. 7 along line 10-10.

The broken lines consisting of dashes show an environment that forms no part of the claimed design. The broken lines consisting of a double-dot/dash pattern show a boundary of the claimed design and forms no part thereof.

Claims

We claim the ornamental design of an alignment sub, as shown and described.

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Patent History
Patent number: D903064
Type: Grant
Filed: Mar 31, 2020
Date of Patent: Nov 24, 2020
Assignee: DynaEnergetics Europe GmbH (Troisdorf)
Inventors: Eric Mulhern (Edmonton), Christian Eitschberger (Munich)
Primary Examiner: Amy C Wierenga
Application Number: 29/729,981
Classifications
Current U.S. Class: Coupling Or Joint (D23/262)