KEYSEAM KEYHOLE COAL MINING
○ Dead · CancelledU.S. federal trademark · Serial No. 79092556 · Reg. No. 4085798
Mark
KEYSEAM KEYHOLE COAL MINING
Filing Date
December 9, 2010
Registration Date
January 17, 2012
Class(es)
Class 037, Class 040
Goods & Services
Conversion of coal into gas, gas processing and treatment; refining of gas; production of energy, including by gasification
Mining extraction
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