ECHOPHEN
USPTO (United States) · Serial 72303757
- Status
- registered
- Status updated
- 3 November 1992
- Filing date
- 29 July 1968
- Registration date
- 25 March 1969
- Nice classification
- 18
- Owner
- AMERICAN HOME PRODUCTS CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72303757) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.