KEYSTONE PERFUSION SERVICES
USPTO (United States) · Serial 99313398
- Status
- -
- Status updated
- 17 December 2025
- Filing date
- 31 July 2025
- Registration date
- -
- Nice classification
- 35
- Owner
- Keystone Perfusion Services, PC
- Owner country
- US
- Raw status code
- 641
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 99313398) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.