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Patent
D300800
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Priority
Feb 15 1985
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Filed
Feb 15 1985
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Issued
Apr 25 1989
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Expiry
Apr 25 2003
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Assg.orig
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Entity
unknown
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10
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12
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n/a
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The ornamental design for a core plug extractor, as shown.
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FIG. 1 is a perspective view of a core plug extractor showing my new
design;
FIG. 2 is a top plan view;
FIG. 3 is a side elevational view; and,
FIG. 4 is an end elevational view.
Sutphen, Jr., Harold A.
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Title |
| 1331875, |
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| 3362684, |
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| 3837622, |
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| 4026521, |
Jun 04 1976 |
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| 4460087, |
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| 136668, |
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| 164705, |
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| 192721, |
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| 199019, |
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| 238045, |
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| D262513, |
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| DE811081, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a