DYESUB
USPTO (United States) · Serial 97897448
- Status
- -
- Status updated
- 16 March 2026
- Filing date
- 19 April 2023
- Registration date
- -
- Nice classification
- 20
- Owner
- Shantou Hengchang Magnetoelectric Co., Ltd
- Owner country
- CN
- Raw status code
- 973
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 97897448) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.