ISOGRAPH
USPTO (United States) · Serial 73074416
- Status
- cancelled
- Status updated
- 23 August 1983
- Filing date
- 15 January 1976
- Registration date
- 29 March 1977
- Nice classification
- 16
- Owner
- Rotring-Werke Riepe KG
- Owner country
- DE
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73074416) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.