Serial Number
72012573
Owner
AMERICAN W.M.B. INC.First Use Date
Jun 15, 1956
Filing Date
Jul 23, 1956
ECON-O-VENT Trademark
Serial Number: 72012573 • Registration: 0650083
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
July 23, 1956
Registration Date
August 13, 1957
First Use Anywhere
June 15, 1956
First Use in Commerce
June 15, 1956
Goods & Services
AIR CONDITIONING APPARATUS-NAMELY, A ROTARY HEAT EXCHANGER MOUNTED TO MOVE CYCLICALLY ACROSS THE RESPECTIVE PASSAGES FOR INCOMING AND OUTGOING AIR OF A ROOM OR OTHER ENCLOSURE TO EXCHANGE THE THERMODYNAMIC CHARACTERISTICS OF AIR THEREIN