LF-310
USPTO (United States) · Serial 74154452
- Status
- registered
- Status updated
- 31 March 2023
- Filing date
- 5 April 1991
- Registration date
- 15 December 1992
- Nice classification
- 11
- Owner
- Westinghouse Air Brake Technologies Corp.
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74154452) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.