Cancelled & expired registration
OPTIGEL
Registration cancelled per USPTO on Jun 10, 1986
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration cancelled per USPTO on Jun 10, 1986 · code 710 (Cancelled, Section 8)
- Registration date
- Jan 1, 1980
- Filing date
- Jun 16, 1977
- Registration no.
- 1128464
- Serial no.
- 73130675
- Goods & services
- CHEMICALLY TREATED BENTONITE FOR THE CONSTRUCTION INDUSTRY FOR USE IN SUPPORTING SUSPENSIONS FOR DIAPHRAGM WALL CONSTRUCTIONS
- Owner as listed with the USPTO
- SUD-CHEMIE AG
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