GREFLOK
USPTO (United States) · Serial 73027748
- Status
- cancelled
- Status updated
- 16 March 2020
- Filing date
- 25 July 1974
- Registration date
- 3 June 1975
- Nice classification
- 19
- Owner
- GENERAL REFRACTORIES COMPANY
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73027748) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.