USPC 472/137

U.S. Patent Classification 472/137 was for miscellaneous amusement devices.

Subclasses of USPC 472:

• USPC 472: Amusement devices
  • USPC 472/1 Roundabouts
    • USPC 472/27 Roundabouts with occupant or article carriage mounted propulsion means:
    • USPC 472/29 Having carrier rotating about vertical axis (e.g., merry-go-round)
      • USPC 472/32 Suspended occupant or article carriage type
        • USPC 472/33 Circularly traveling, centrifugal swing
  • USPC 472/57 Illusion or stage device
    • USPC 472/75 Stage apparatus or setting
      • USPC 472/80 Aerial suspension device
  • USPC 472/88 Surface for wheeled or gliding vehicle
    • USPC 472/90 For foot-attached gliding vehicle (e.g., ski slide, ice skating surface, etc.):
  • USPC 472/137 Miscellaneous

References

Enclosing categories	USPC
Subcategories
Keywords	Fun, amusement
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End year