EXPOSURE BIOEFFECT MARKERS
USPTO (United States) · Serial 74192549
- Status
- cancelled
- Status updated
- 8 November 2003
- Filing date
- 7 August 1991
- Registration date
- 2 February 1993
- Nice classification
- 42
- Owner
- NATIONAL MEDICAL SERVICES, INC.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74192549) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.