HEAF

○ Dead · Expired

U.S. federal trademark · Serial No. 72407678 · Reg. No. 0974599

Mark

HEAF

Status

Expired

Serial Number

72407678

Registration No.

0974599

Filing Date

November 15, 1971

Registration Date

December 11, 1973

Class(es)

Class 011

Owner

03 · DENVER, CO, US

AIR TREATMENT SYSTEM COMPRISING A FILTER MEDIA AND A BLOWER FOR THE REMOVAL OF SUBMICRON LIQUID AEROSOLS OR SOLID PARTICULATES FROM STACK EMISSIONS

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