LUDOX
USPTO (United States) · Serial 71543577
- Status
- cancelled
- Status updated
- 15 October 2021
- Filing date
- 6 December 1947
- Registration date
- 19 October 1948
- Nice classification
- 6
- Owner
- W. R. GRACE & CO.-CONN.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71543577) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.