Cancelled & expired registration
OLIGOTEX
Registration cancelled per USPTO on Feb 20, 2026
Status may changeReady for a second act? Here's what the USPTO record shows.
- USPTO status
- Registration cancelled per USPTO on Feb 20, 2026 · code 710 (Cancelled, Section 8)
- Registration date
- Aug 8, 1995
- Filing date
- Feb 24, 1993
- Registration no.
- 1909612
- Serial no.
- 74361756
- Classes
- Class 1: Chemicals
- Goods & services
- chemical products for commercial and scientific purposes, namely, chemicals or biochemicals for the isolation and purification of nucleic acids for scientific purposes and for use in polymerase chain reaction; all sold either individually or in kits
- Owner as listed with the USPTO
- QIAGEN GMBH
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