Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 035174/0457 | |
| Pages: | 7 |
| | Recorded: | 03/16/2015 | | |
| Attorney Dkt #: | 509265/1634 |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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11/21/2006
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Application #:
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10819844
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Filing Dt:
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04/07/2004
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Title:
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SILICATE DRILLING FLUID AND METHOD OF DRILLING A WELL THEREWITH
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Patent #:
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Issue Dt:
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01/07/2014
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Application #:
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12974764
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Filing Dt:
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12/21/2010
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Publication #:
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Pub Dt:
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06/21/2012
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Title:
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METHOD OF DRILLING A SUBTERRANEAN WELL WITH CROSSLINKED POLYACRYLIC ACID
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Assignee
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| 10 S. DEARBORN, 7TH FLOOR |
| CHICAGO, ILLINOIS 60603 |
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Correspondence name and address
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MICHAEL H. JOSHI, ESQ.
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SIMPSON THACHER & BARTLETT LLP
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425 LEXINGTON AVENUE
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NEW YORK, NY 10017
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