CONVIRON
USPTO (United States) · Serial 73189083
- Status
- registered
- Status updated
- 30 September 2021
- Filing date
- 12 October 1978
- Registration date
- 25 August 1981
- Nice classification
- 9
- Owner
- Controlled Environments Limited
- Owner country
- CA
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73189083) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.