SPECTROL
USPTO (United States) · Serial 71497802
- Status
- registered
- Status updated
- 29 October 1987
- Filing date
- 7 March 1946
- Registration date
- 10 June 1947
- Nice classification
- 4
- Owner
- KRONER LABORATORIES
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71497802) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.