Mark Identification
HOUGHTO-BLACK
Serial Number
71533570
Filing Date
Sep 5, 1947
Registration Date
Oct 26, 1948
Trademark by
Active Trademark
Classification Information
METAL BLACKENING AGENTS BEING MIXTURES OF ALKALIES WITH ALKALI METAL NITRATES AND NITRATES AND/OR OTHER MINOR INGREDIENTS FOR USE IN THE BLACKENING OF METALS
Metal Goods