INSTRUCTIONAL CALIBRATION
USPTO (United States) · Serial 77677455
- Status
- registered
- Status updated
- 15 February 2020
- Filing date
- 24 February 2009
- Registration date
- 5 January 2010
- Nice classification
- 41
- Owner
- DW Educational Research, Inc.
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 77677455) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.