Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
|
Reel/Frame: | 044918/0294 | |
| Pages: | 3 |
| | Recorded: | 12/20/2017 | | |
Attorney Dkt #: | 35742/04060 |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
|
Total properties:
1
|
|
Patent #:
|
|
Issue Dt:
|
08/07/2018
|
Application #:
|
15809707
|
Filing Dt:
|
11/10/2017
|
Publication #:
|
|
Pub Dt:
|
07/26/2018
| | | | |
Title:
|
WATER-BASED DRILLING FLUID FOR PROTECTING HIGH-PERMEABILITY RESERVOIRS, AND PREPARATION METHOD AND USE THEREOF
|
|
Assignee
|
|
|
NO. 66, CHANGJIANG WEST ROAD |
HUANGDAO DISTRICT |
QINGDAO, SHANDONG, CHINA 266580 |
|
Correspondence name and address
|
|
CALFEE HALTER & GRISWOLD LLP
|
|
THE CALFEE BUILDING, 1405 EAST SIXTH STREET
|
|
CLEVELAND, OH 44114
|
Search Results as of:
06/14/2024 09:08 AM
If you have any comments or questions concerning the data displayed,
contact
PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified:
August 25, 2017 v.2.6
|