BIO-CHEK 60
USPTO (United States) · Serial 72239718
- Status
- registered
- Status updated
- 20 June 2009
- Filing date
- 28 February 1966
- Registration date
- 12 November 1968
- Nice classification
- 37
- Owner
- CALGON CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72239718) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.