PIEZO-ECHO
USPTO (United States) · Serial 80978481
- Status
- cancelled
- Status updated
- 9 September 1980
- Filing date
- -
- Registration date
- 12 February 1974
- Nice classification
- 21
- Owner
- Nittanelectronics Company
- Owner country
- JP
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 80978481) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.