SERIES R
USPTO (United States) · Serial 73188803
- Status
- cancelled
- Status updated
- 18 March 2016
- Filing date
- 10 October 1978
- Registration date
- 28 December 1982
- Nice classification
- 16, 28
- Owner
- MCGRAW-HILL SCHOOL EDUCATION HOLDINGS LLC
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73188803) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.