DUROBLOCK
USPTO (United States) · Serial 73014751
- Status
- registered
- Status updated
- 6 November 1995
- Filing date
- 1 March 1974
- Registration date
- 28 January 1975
- Nice classification
- 7
- Owner
- W. S. SHAMBAN & CO.
- Owner country
- US
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73014751) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.