PHASE-ISOLATED LTC
USPTO (United States) · Serial 72080437
- Status
- registered
- Status updated
- 11 December 1987
- Filing date
- 28 August 1959
- Registration date
- 27 February 1962
- Nice classification
- 21
- Owner
- MCGRAW-EDISON COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72080437) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.