PHOS-PHAID
USPTO (United States) · Serial 72221044
- Status
- registered
- Status updated
- 25 January 1987
- Filing date
- 14 June 1965
- Registration date
- 25 October 1966
- Nice classification
- 18
- Owner
- GUARDIAN CHEMICAL CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72221044) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.