HEARING IS BELIEVING
USPTO (United States) · Serial 73216005
- Status
- registered
- Status updated
- 13 May 2021
- Filing date
- 17 May 1979
- Registration date
- 28 July 1981
- Nice classification
- 9
- Owner
- Koss Corporation
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73216005) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.