POLYPHASE
USPTO (United States) · Serial 71070901
- Status
- registered
- Status updated
- 20 June 1994
- Filing date
- 6 June 1913
- Registration date
- 16 September 1913
- Nice classification
- 26
- Owner
- KEUFFEL & ESSER COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71070901) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.