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Patent
D874236
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Priority
Sep 08 2017
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Filed
Sep 08 2017
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Issued
Feb 04 2020
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Expiry
Feb 04 2035
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Assg.orig
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Entity
unknown
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0
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23
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n/a
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The ornamental design for a directional drilling assembly, as shown and described.
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FIG. 1 is a front elevation view of a directional drilling assembly showing our new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a cross-sectional view thereof taken along line 5-5 in FIG. 1; and,
FIG. 6 is a cross-sectional view thereof taken along line 6-6 in FIG. 1.
The broken lines in the drawings illustrate portions of the directional drilling assembly that form no part of the claimed design.
Miess, David P., Prevost, Gregory, Reese, Michael R., Spatz, Edward C.
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
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Feb 02 1982 |
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Sleeve for screwdriving bit |
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Jul 02 2014 |
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Nov 03 2015 |
Z DRILLING HOLDINGS, INC.; Z DRILLING HOLDINGS, INC |
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Feb 03 2016 |
McGinley Engineered Solutions, LLC |
Removable chuck |
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Feb 03 2016 |
McGinley Engineered Solutions, LLC |
Removable chuck |
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Feb 03 2016 |
McGinley Engineered Solutions, LLC |
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Nov 15 2016 |
Wintek Tools Co., Ltd. |
Tool adapter |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a