Resources Contact Us Home
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
Serial transmission system including transmitter apparatus and receiver apparatus, for use in transmission of AV data
Device and method for generating soft tissue contrast images
Lighting fixture
Information distribution system, information distributing method, node, and recording medium
Process for producing .beta.-sialon fluorescent material
Composite high reflectivity layer
System and method for multi-threaded MIMO OFDM channel equalizer
  Randomly Featured Patents
Apparatus for measuring average power consumption of computer system
Input device with a reduced number of keys
High-frequency oscillator
Electronic educational game housing
Ultraviolet and infrared absorptive greenish glass
Discriminating light-emitting optical apparatus
Hockey stick having an offset shaft and blade transitional connection
Seatbelt retractor
Gas cylinder components for use with firearms
Method and system for processing multicast packets