QUADNUMATIC
USPTO (United States) · Serial 71692276
- Status
- registered
- Status updated
- 13 January 1997
- Filing date
- 1 August 1955
- Registration date
- 10 April 1956
- Nice classification
- 23
- Owner
- SCHROEDER MACHINES CORPORATION
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71692276) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.