Internal and external splines used in vehicles, namely, apparatus for locomotion by land, air or water; Internal and external splines used in motors and engines for land, air or water vehicles; couplings for vehicles, namely, internal and external splines; shaft couplings for vehicles, namely, internal and external splines; internal and external splines used as couplings and transmission components for land and sea vehicles; internal and external splines used with gears of all types and gearb...

Couplings for machines, namely, internal and external splines; shaft couplings for machines, namely, internal and external splines; internal and external splines for transmissions and transmission parts used in machines except for land vehicles; internal and external splines for machines except for land vehicles; internal and external splines for wheel, track and drum drives used in machines except for land vehicles; internal and external splines for shaft output drives used in machines excep...