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UNIFRAC

● Live · Registered

U.S. federal trademark · Serial No. 74212058 · Reg. No. 1734840

Mark
UNIFRAC
Status
Registered
Serial Number
74212058
Registration No.
1734840
Filing Date
October 15, 1991
Registration Date
November 24, 1992
Class(es)
Class 019

Owners

COVIA HOLDINGS LLC
16 · INDEPENDENCE, OH, US
COVIA HOLDINGS CORPORATION
03 · INDEPENDENCE, OH, US
UNIMIN Corporation
03 · New Canaan, CT, US
UNIMIN Corporation
03 · New Canaan, CT, US
UNIMIN Corporation
03 · New Canaan, CT, US

Goods & Services

hydraulic fracturing sands; namely, processed monocrystalline silica used as a proppant in the oil and natural gas industries to assist flow from deep wells

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.