Mark Identification

LIFTMASTER

Serial Number

73521329

Filing Date

Feb 8, 1985

Registration Date

Jul 30, 1985

Trademark by

OTIS ENGINEERING CORPORATION

Classification Information

DUAL-ACTING RECIPROCATING BOTTOMHOLE GAS-ACTIVATED PUMPS DESIGNED TO PRODUCE OIL FROM WELLS WHOSE PRESSURE IS INSUFFICIENT TO FLOW NATURALLY

Machinery