ISOTRON
USPTO (United States) · Serial 72016622
- Status
- registered
- Status updated
- 13 April 1998
- Filing date
- 28 September 1956
- Registration date
- 9 July 1957
- Nice classification
- 6
- Owner
- PENNSYLVANIA SALT MANUFACTURING PENNSALT CHEMICALS CORPORATION, THE
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72016622) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.