POROSCOPE
USPTO (United States) · Serial 73283167
- Status
- registered
- Status updated
- 22 November 2022
- Filing date
- 24 October 1980
- Registration date
- 18 May 1982
- Nice classification
- 9
- Owner
- Helmut Fischer GmbH & Co., Institut furElectronik und Messtechnik
- Owner country
- DE
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73283167) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.