CHEM-CALK
USPTO (United States) · Serial 73017898
- Status
- registered
- Status updated
- 5 September 2015
- Filing date
- 4 April 1974
- Registration date
- 12 August 1975
- Nice classification
- 17
- Owner
- BOSTIK INC.
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73017898) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.