USPC 472

U.S. Patent Classification 472 was for Amusement devices.

How was this class distinct from USPC 446 and USPC D21?

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	USPC 472/27, USPC 472/33, USPC 472/80, USPC 472/90, USPC 472/137
Keywords
Start year
End year