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
Systems, devices, methods, and compositions including fluidized x-ray shielding compositions
Sports helmet
Carbonyl-ene functionalized polyolefins
Hardware/software debugging using memory access parameters
Spray drying vancomycin
Integrated touch screen
Medical diagnosis, therapy, and prognosis system for invoked events and methods thereof
  Randomly Featured Patents
Process for treating residual waters containing aromatic amines
N-Substituted pyridinones having histamine H.sub.2 -antagonist activity
Package with pressure venting closure accepting different types of insert disks for different food products
Multiple cone type loudspeaker
Electrical termination circuit for a traveling-wave optoelectronic device
Furniture for concealing a wash basin
Sheet feeder
On-vehicle navigation apparatus and subject vehicle position correction method
Apparatus and method for retrieving data in the form of binary, multiple bit, digital communication words from a system bus
Toothbrush cover and holding assembly