section 8
on 23 Dec 1988
Last Applicant/ Owned by
120 S. Central Ave.
St. Louis
MO
63105
Serial Number
73253005 filed on 07th Mar 1980
Registration Number
1194925 registered on 11th May 1982
Filing Basis
1. use application currently
Disclaimer
NO DATA
FB 1 Drilling Fluid Additive Comprising a Silicone-Based Defoamer for Use in Drilling Fluids During Workover and Completion Operations for Oil and Gas Well Drilling
Drilling Fluid Additive Comprising a Silicone-Based Defoamer for Use in Drilling Fluids During Workover and Completion Operations for Oil and Gas Well Drilling
08th Nov 1977
22nd Jan 1979
No 73253005
No Service/Collective Mark
No
No
No
No
No
No
No
No
No
Status Date | Action Taken |
---|---|
23rd Dec 1988 | CANCELLED SEC. 8 (6-YR) |
11th May 1982 | REGISTERED-PRINCIPAL REGISTER |
16th Feb 1982 | PUBLISHED FOR OPPOSITION |