| 968 / | HD | HOROLOGY |
| 2 | DD | DRIVING MECHANISMS (driving mechanisms for Turkish time subclass 167; driving mechanisms in the hands subclass 396; driving mechanisms for phonographic apparatus G11B 19/00; springs, driving weight engines F03G; driving mechanisms for cinematography G03B 1/00; driving mechanisms; driving mechanisms for time fuses for missiles F42C; driving mechanisms for toys A63H 11/23) [G04B 1/00] {4} |
| 7 | DD | .~ With mainspring (synchronous motors with power reserve subclass 559; springs in general F16F) [G04B 1/10] {6} |
| 10 | DD | .~.~ Mainsprings; bridles therefor (mainsprings with bridles subclass 14; alloys C22C; springs in general F16F; constructions for compensation of changes in the motive power of the mainspring subclass 18; construction of the hairspring subclass 111; arrangements facilitating the removal of the mainspring subclass 291) [G04B 1/14] {1} |
| 11 | | .~.~.~ Composition and manufacture of the springs (see note attached to this subclass) |