PYROBLOC
USPTO (United States) · Serial 73433151
- Status
- registered
- Status updated
- 5 November 2015
- Filing date
- 5 July 1983
- Registration date
- 21 October 1986
- Nice classification
- 1
- Owner
- GREAT LAKES CHEMICAL CORPORATION
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73433151) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.