ELECTRONIC EXPERIMENTER'S HANDBOOK
USPTO (United States) · Serial 72455804
- Status
- cancelled
- Status updated
- 6 May 1993
- Filing date
- 27 April 1973
- Registration date
- 30 April 1974
- Nice classification
- 38
- Owner
- ZIFF-DAVIS PUBLISHING COMPANY
- Owner country
- US
- Raw status code
- 713
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 72455804) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.