PERFUSION CHROMATOGRAPHY
USPTO (United States) · Serial 74137381
- Status
- cancelled
- Status updated
- 4 November 2022
- Filing date
- 8 February 1991
- Registration date
- 21 April 1992
- Nice classification
- 9
- Owner
- PerSeptive Biosystems, Inc.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 74137381) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.