CHEMICAL ENGINEERING PROGRESS
USPTO (United States) · Serial 72122986
- Status
- registered
- Status updated
- 7 January 2023
- Filing date
- 28 June 1961
- Registration date
- 3 July 1962
- Nice classification
- 38
- Owner
- AMERICAN INSTITUTE OF CHEMICAL ENGINEERS
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72122986) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.