Resources Contact Us Home
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 472/4
Name: Amusement devices > Roundabout > And occupant propelled seesaw
Description: Subject matter combined with beam structure which is mounted upon a horizontal fulcrum located intermediate opposing ends thereof and which is vertically oscillated by a person carried on one of the ends.

Sub-classes under this class:

Class Number Class Name Patents
472/5 Seesaw operated drive structure helps maintain roundabout motion 6

Patents under this class:

Patent Number Title Of Patent Date Issued
8206275 Balance training device Jun. 26, 2012
6849642 Bicyclic imidazo-3-yl-amine derivatives substituted on the 6-membered ring Feb. 1, 2005
6811826 Multilayer polymeric/zero valent material structure for enhanced gas or vapor barrier and UV barrier and method for making same Nov. 2, 2004
5557900 Playground structural member using recycled plastic Sep. 24, 1996
4319746 Rotatable seesaw device Mar. 16, 1982

  Recently Added Patents
Sign language keyboard and sign language searching apparatus using the same
Stable file system
Opioid-nornicotine codrugs combinations for pain management
Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
Belt with light
Method and apparatus for disease diagnosis and screening using extremely low frequency electromagnetic fields
System and method for displaying relationships between electronically stored information to provide classification suggestions via inclusion
  Randomly Featured Patents
Method of treating multifilament synthetic yarn
Two person work environment
Process for preparation of diacetal compounds
Surveillance system
Preionizationd device, in particular for x-ray preionization in discharge-pumped gas lasers, in particular excimer lasers
Fluid, cold-stable, two-component washing compositions and method of washing textiles
Level sensitive latch stage
Conductive structure in a semiconductor material
Window component extrusion
Rocket for electrical connectors