ISOPHON
USPTO (United States) · Serial 75309574
- Status
- cancelled
- Status updated
- 17 April 2006
- Filing date
- 16 June 1997
- Registration date
- 22 August 2000
- Nice classification
- 9
- Owner
- ISOPHON Elektroakustische Produktion GmbH
- Owner country
- DE
- Raw status code
- 711
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 75309574) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.