W
USPTO (United States) · Serial 73428367
- Status
- cancelled
- Status updated
- 28 May 2005
- Filing date
- 1 June 1983
- Registration date
- 21 August 1984
- Nice classification
- 16
- Owner
- Whatman Limited
- Owner country
- GB
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73428367) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.