CASTOLAST
USPTO (United States) · Serial 73153889
- Status
- registered
- Status updated
- 26 December 2009
- Filing date
- 30 December 1977
- Registration date
- 22 May 1979
- Nice classification
- 19
- Owner
- HARBISON-WALKER REFRACTORIES COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73153889) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.