6 LIQUID MEDIUM HAVING A HIGH MAGNETIZATION VALUE, FOR EXAMPLE, A DISPERSION OF MAGNETIC PARTICLES IN A FLUID CARRIER USED, FOR EXAMPLE, IN SHAFT SEALS, BEARINGS, AND GAMES
35 HERMETIC SHAFT SEALS EMPLOYING A MAGNETIC FLUID
THE DRAWING IS LINED FOR THE COLOR BLUE, BUT NO CLAIM IS MADE TO COLOR.
Trademark Events
Apr 5, 1993
Expired Sec. 9
Jul 31, 1978
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.