Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 013067/0913 | |
| Pages: | 4 |
| | Recorded: | 07/16/2002 | | |
| Conveyance: | RELEASE OF SECURITY INTEREST |
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Total properties:
5
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Patent #:
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Issue Dt:
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03/17/1987
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Application #:
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06330982
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Filing Dt:
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12/15/1981
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Title:
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REFRACTORY STRUCTURE AND METHOD
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Patent #:
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Issue Dt:
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06/04/1985
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Application #:
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06490816
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Filing Dt:
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05/02/1983
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Title:
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CARBON BONDED REFRACTORIES
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Patent #:
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Issue Dt:
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12/24/1985
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Application #:
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06594512
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Filing Dt:
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03/29/1984
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Title:
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END BLOCK
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Patent #:
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Issue Dt:
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08/18/1987
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Application #:
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06622922
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Filing Dt:
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06/21/1984
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Title:
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MEDIUM WEIGHT ABRASION-RESISTANT CASTABLE
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Patent #:
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Issue Dt:
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12/01/1992
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Application #:
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07751018
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Filing Dt:
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08/28/1991
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Title:
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KILN CARS
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Assignee
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| SUITE 430 |
| 2 PENN CENTER BOULEVARD |
| PITTSBURGH, PENNSYLVANIA 15276 |
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Correspondence name and address
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OTTERBOURG, STEINDLER, HOUSTON & ROSEN
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PRESTON R. CAPPELLO
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230 PARK AVENUE
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NEW YORK, NEW YORK 10169
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