Mark	Details	Status	Class/Description
	ENGINE VENT ENGINE VENTILATION SYSTEMS, INC. 72447076 29 Jan 1973	Dead/Expired on 22 May 1995	POSITIVE, CONDENSED AND FILTERED SYSTEM COMPRISING CRANKCASE VENTILATO... Class 023 Class 023 Yarns and Threads POSITIVE, CONDENSED AND FILTERED SYSTEM COMPRISING CRANKCASE VENTILATOR, OIL REGULATOR-COOLER-FILTER, AND CRANKCASE OIL FILTER TO CONTROL EXHAUST AND CRANKCASE EMISSIONS ON INTERNAL COMBUSTION ENGINES			CLEAN ENGINE ... CLEAN AIR ENGINE VENTILATION SYSTEMS, INC. 72410053 13 Dec 1971	Dead/Expired on 28 Mar 1994	POSITIVE, CONDENSED AND FILTERED SYSTEM, COMPRISING CRANKCASE VENTILAT... Class 031 Class 031 Natural Agricultural Products POSITIVE, CONDENSED AND FILTERED SYSTEM, COMPRISING CRANKCASE VENTILATOR, OIL REGULATOR-COOLER-FILTER, AND CRANKCASE OIL FILTER TO CONTROL EXHAUST AND CRANKCASE EMISSIONS ON INTERNAL COMBUSTION ENGINES, CLEAN ENGINE AND CLEAN AIR

Mark

Details

Status

Class/Description

ENGINE VENT

ENGINE VENTILATION SYSTEMS, INC.

72447076

29 Jan 1973

Dead/Expired

on 22 May 1995

POSITIVE, CONDENSED AND FILTERED SYSTEM COMPRISING CRANKCASE VENTILATO...

Class 023

CLEAN ENGINE ... CLEAN AIR

ENGINE VENTILATION SYSTEMS, INC.

72410053

13 Dec 1971

Dead/Expired

on 28 Mar 1994

POSITIVE, CONDENSED AND FILTERED SYSTEM, COMPRISING CRANKCASE VENTILAT...

Class 031

Dead/Expired

on 22 May 1995

ENGINE VENT

ENGINE VENTILATION SYSTEMS, INC.

72447076 · 29 Jan 1973

023

POSITIVE, CONDENSED AND FILTERED SYSTEM COMPRISING CRANKCASE VENTILATO...

Dead/Expired

on 28 Mar 1994

CLEAN ENGINE ... CLEAN AIR

ENGINE VENTILATION SYSTEMS, INC.

72410053 · 13 Dec 1971

031

POSITIVE, CONDENSED AND FILTERED SYSTEM, COMPRISING CRANKCASE VENTILAT...

Status

All

Registered

Pending

Abandoned

Other