PROLONGIN
USPTO (United States) · Serial 79079596
- Status
- cancelled
- Status updated
- 4 February 2020
- Filing date
- 4 February 2010
- Registration date
- 7 December 2010
- Nice classification
- 10
- Owner
- Shenzhen Techdow Pharmaceutical Co., Ltd.
- Owner country
- CN
- Raw status code
- 404
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 79079596) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.