SI-O-LITE
USPTO (United States) · Serial 71523402
- Status
- registered
- Status updated
- 3 November 1992
- Filing date
- 2 June 1947
- Registration date
- 27 September 1949
- Nice classification
- 6
- Owner
- MALLINCKRODT CHEMICAL WORKS
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71523402) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.