Serial Number:
75032311
Mark:
RIV
Status:
Cancelled-Section 8
Status Date:
08-08-2009
Filing Date:
Registration Number:
2216606
Registration Date:
01-05-1999
manually operated metal control valves for controlling downhole fluid flow between a tubing string and a well annulus control valves for controlling downhole fluid flow between a tubing string and a well annulus as part of a downhole completion assembly, typically a zone isolation assembly
Mark Description:
N/A
Class:
Machines and machine tools
Type of Mark:
Trademark
Published for Opposition Date:
05-06-1997
Owner:
Mark Drawing Status:
Typed Drawing
Abandon Date:
N/A
Business Name:
WEATHERFORD INTERNATIONAL LTD.
Correspondent Name:
