Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 005711/0821 | |
| Pages: | 4 |
| | Recorded: | 03/22/1991 | | |
Conveyance: | ASSIGNOR, BY BILL OF SALE, ASSIGNS THE ENTIRE INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/01/1986
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Application #:
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06681908
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Filing Dt:
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12/13/1984
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Title:
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FIRE DAMPER ASSEMBLY FOR SEALED PENETRATIONS
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Assignee
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1400 EAST 97TH PLACE |
CHICAGO, ILLINOIS 60628 |
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Correspondence name and address
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SILVERMAN, CASS & SINGER, LTD.
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105 W. ADAMS ST., 2700
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CHICAGO, IL 60603
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05/28/2024 03:23 PM
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