Patent Assignment Details
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Reel/Frame: | 049248/0820 | |
| Pages: | 6 |
| | Recorded: | 05/21/2019 | | |
Attorney Dkt #: | 224499-30002 |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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NONE
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Issue Dt:
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Application #:
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16301727
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Filing Dt:
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11/14/2018
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Publication #:
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Pub Dt:
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08/29/2019
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Title:
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Rubber cylinder having higher hardness in upper end portion, packer, and bridge plug
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Assignee
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ROOM 2003, TOWER C, CHENMING MANSION, NO. 2 |
XIZHIMENGNEI STREET, XICHENG DISTRICT |
BEIJING, CHINA 100035 |
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Correspondence name and address
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LOEB & LOEB LLP
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321 NORTH CLARK STREET
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SUITE 2300
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CHICAGO, IL 60654
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09/23/2024 06:16 PM
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