4 SIGHT ISDN ASSISTANT OPERATING GUIDE
USPTO (United States) · Serial 75312449
- Status
- cancelled
- Status updated
- 11 February 2006
- Filing date
- 20 June 1997
- Registration date
- 4 May 1999
- Nice classification
- 9
- Owner
- 4-Sight PLC
- Owner country
- GB
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 75312449) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.