F
USPTO (United States) · Serial 72390729
- Status
- registered
- Status updated
- 5 April 1993
- Filing date
- 23 April 1971
- Registration date
- 27 June 1972
- Nice classification
- 6, 35
- Owner
- FERROFLUIDICS CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72390729) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.