SYLOBLOC
USPTO (United States) · Serial 73835366
- Status
- registered
- Status updated
- 18 November 2021
- Filing date
- 1 November 1989
- Registration date
- 31 July 1990
- Nice classification
- 1
- Owner
- W. R. GRACE & CO.-CONN
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73835366) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.