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PTO
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Dossier
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Patent
D253535
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Priority
Jan 19 1977
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Filed
Jan 19 1977
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Issued
Nov 27 1979
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Expiry
Nov 27 1993
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Assg.orig
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Entity
unknown
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13
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1
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n/a
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The ornamental design for a mobile rotary drill rig, as shown and described.
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FIG. 1 is a right front perspective view of a mobile rotary drill rig
showing our new design;
FIG. 2 is a left rear perspective view thereof; and
FIG. 3 is a top plan view thereof.
The broken lines showing of the engine in FIGS. 1 and 2 of the drawing, is
for illustrative purposes only.
Smith, Jack D., Schmidt, Walter A., Cory, Jay R.
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a