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FILTERCHECK

○ Dead · Cancelled

U.S. federal trademark · Serial No. 74057700 · Reg. No. 1638244

Mark
FILTERCHECK
Status
Cancelled
Serial Number
74057700
Registration No.
1638244
Filing Date
May 10, 1990
Registration Date
March 19, 1991
Class(es)
Class 009

Owners

Extraction Systems, Inc.
03 · Woonsocket, RI, US
Extraction Systems, Inc.
03 · Woonsocket, RI, US
Extraction Systems, Inc.
03 · Woonsocket, RI, US

Goods & Services

test kits for testing gas-phase air purification equipment for efficiency and service life

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