GRASSTONE
USPTO (United States) · Serial 73087656
- Status
- cancelled
- Status updated
- 24 May 1983
- Filing date
- 19 May 1976
- Registration date
- 28 December 1976
- Nice classification
- 19
- Owner
- Forschungsgruppe fur Bautechnologie AG/Construction Technology Research Group Ltd.
- Owner country
- CH
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73087656) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.