TEK CHEK
USPTO (United States) · Serial 72259285
- Status
- registered
- Status updated
- 16 August 1987
- Filing date
- 23 November 1966
- Registration date
- 16 May 1967
- Nice classification
- 38
- Owner
- MCGRAW-HILL, INC.
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72259285) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.