Cancelled & expired registration
K-17
Registration cancelled per USPTO on Oct 15, 2021
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration cancelled per USPTO on Oct 15, 2021 · code 710 (Cancelled, Section 8)
- Registration date
- Jul 11, 1989
- Filing date
- May 18, 1988
- Registration no.
- 1546942
- Serial no.
- 73729063
- Classes
- Class 1: Chemicals
- Goods & services
- LIGNITE USED AS A COMPONENT OF A FLUID DRILLING SYSTEM FOR USE IN THE OIL WELL DRILLING INDUSTRY
- Owner as listed with the USPTO
- M-I DRILLING FLUIDS L.L.C.
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