(under subclass 37) Spring motors which are distinguished by special features relating to the mounting of the springs.
SEE OR SEARCH CLASS
267, Spring Devices,
113, 182, appropriate subclass therein for springs and the mounting therefor not including sufficient related structure to constitute a motor; e.g., subclasses 174+ for a coil-spring type spring device for moving a tool through (or returning it from, subclass 176) a work stroke, or for moving some other object (e.g., door latch) for a condition-changing stroke.
368, Horology: Time Measuring Systems or Devices,
141+, for motor spring mounting means as included in instruments employed for measuring time.
