PROTOCOL ENGINE
USPTO (United States) · Serial 73698477
- Status
- abandoned
- Status updated
- 2 November 1988
- Filing date
- 1 December 1987
- Registration date
- -
- Nice classification
- 38
- Owner
- PROTOCOL ENGINES INCORPORATED
- Owner country
- US
- Raw status code
- 602
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73698477) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.