DUKE UNIVERSITY
USPTO (United States) · Serial 74208935
- Status
- registered
- Status updated
- 19 January 2023
- Filing date
- 1 October 1991
- Registration date
- 21 July 1992
- Nice classification
- 20, 21, 25
- Owner
- Duke University
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74208935) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.