Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 472/113
Name: Amusement devices > Seesaw > Spring assisted
Description: Amusement device wherein the seesaw includes a resilient means for aiding the up and down motion of the seesaw.










Patents under this class:

Patent Number Title Of Patent Date Issued
8062142 Collaborative play toy Nov. 22, 2011
8033921 Bungee teeter-totter Oct. 11, 2011
7413516 Teeter-totter Aug. 19, 2008
5496237 Bicycle training apparatus Mar. 5, 1996
5447474 Game apparatus with multiple playing modes Sep. 5, 1995
RE34407 Water sports apparatus Oct. 12, 1993
4341377 Seesaw Jul. 27, 1982
4226411 Playground apparatus Oct. 7, 1980
4135712 Rocking toy Jan. 23, 1979











 
 
  Recently Added Patents
Dynamic facsimile transcoding in a unified messaging platform
Triazine ring-containing polymer and film-forming composition comprising same
Scanning optical positioning system with spatially triangulating receivers
Digital IF demodulator for video applications
Method and apparatus for optimizing paging in a communication network
Determining phase-specific parameters of a physiological variable
Method and system of channel detecting and reporting, terminal, and management center
  Randomly Featured Patents
Short circuit welder
Projector with transverse light source for automotive vehicle
Capacitive memory signal doubler cell
Debaryomyces castellii phytase
Protective overlayer for phosphor imaging screen
Hydraulic sealing assembly for a beverage machine brewing head
Device for optically scanning information tracks on a plane using two subbeams
Sputtering target and method for manufacturing same
Automatic gain control circuit
Machine tool