October 14, 1944 Trademark Filings

Y
AIR COOLED HEAT EXCHANGER SURGE VALVE
Expired  ·  October 14, 1944  ·  71475353  · 
y
509
PASTE PAINT
Expired  ·  October 14, 1944  ·  71475346  · 
509
PUROLATOR
FILTERS FOR THE PURIFICATION OF FUEL SUCH AS FUEL OIL, SEWER GAS, KEROSENE, AND OTHER REFINERY BY-PRODUCTS AND USED AS ACCESSORIES TO ENGINES AND MACHINES MAKING USE OF SUCH FILTERED PRODUCTS
Expired  ·  October 14, 1944  ·  71475335  · 
purolator
PUROLATOR
HYDRAULIC FLUID FILTERS FOR USE AS ACCESSORIES FOR HYDRAULIC MACHINERY
Expired  ·  October 14, 1944  ·  71475334  · 
purolator