Resources Contact Us Home
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 472/114
Name: Amusement devices > Seesaw > Having arcuate base
Description: Amusement device in which the seesaw is mounted at substantially intermediate its ends upon a floor-contacting support which is convexed, hemispherical, or otherwise curved upwardly on its floor-contacting surface, so that the seesaw may rock back and forth in a manner similar to that of a rocker type chair.

Patents under this class:

Patent Number Title Of Patent Date Issued
7118514 Playground equipment Oct. 10, 2006
6454658 Rocking and spray system Sep. 24, 2002
6402627 Inflatable recreational device Jun. 11, 2002
6379256 Rotatable and pivotable amusement apparatus Apr. 30, 2002
5522773 Two person rocker with pivoting seats Jun. 4, 1996
5238455 Omni-directional rocking apparatus Aug. 24, 1993
4135712 Rocking toy Jan. 23, 1979
4099773 Couples chair Jul. 11, 1978
4003571 Rocking device Jan. 18, 1977

  Recently Added Patents
Card reader device
Methods and systems for creating a tail risk hedge index and trading derivative products based thereon
Soybean cultivar CL1013675
Methods of diagnosing a plasmodium infection
Semiconductor device
Snap-engagement structure
  Randomly Featured Patents
Farrowing pen
Area coverage sensor calibration and algorithm for seam detection noise eliminator on a seamed photoreceptor
Apparatus for forming spirally wound pipe
Container interlocking device
Method and apparatus for automatically hydrating, freezing and packaged hydration material
Video camera apparatus with preset operation and a video camera monitor system including the same
Method and apparatus for calibrating sound-reproducing equipment
Laser beam path length difference detector, laser phase controller, and coherent optical coupler
Loading/unloading control apparatus of semiconductor device and control method thereof
Elimination process