HOUGHTON MIFFLIN COMPANY TESTS
USPTO (United States) · Serial 72125986
- Status
- registered
- Status updated
- 12 January 1988
- Filing date
- 10 August 1961
- Registration date
- 7 August 1962
- Nice classification
- 38
- Owner
- HOUGHTON MIFFLIN COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72125986) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.