HAMMETT'S LEARNING WORLD
USPTO (United States) · Serial 73070544
- Status
- registered
- Status updated
- 14 November 2009
- Filing date
- 1 December 1975
- Registration date
- 10 April 1979
- Nice classification
- 42
- Owner
- J. L. HAMMETT COMPANY
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73070544) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.