R READING INVENTORY
USPTO (United States) · Serial 87007331
- Status
- abandoned
- Status updated
- 17 July 2017
- Filing date
- 20 April 2016
- Registration date
- -
- Nice classification
- 16
- Owner
- Houghton Mifflin Harcourt Publishing Company
- Owner country
- US
- Raw status code
- 606
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 87007331) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.