Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 273/121E
Name: Amusement devices: games > Surface projectile game; game element (e.g., target, etc.) or accessory therefor other than projectile, per se) > Ball games > Combined with projector > Return course > Ball elevator
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8021239 Interactive water play apparatus Sep. 20, 2011
6257573 Device for supplying/retaining/checking balls for labyrinth-type games of chance Jul. 10, 2001
5465965 Rotating pinball bridge and drop Nov. 14, 1995
5417422 Pinball optical illusion techniques May. 23, 1995
5383663 Player controlled dump ramp for a pinball game Jan. 24, 1995
5335910 Pinball machine having a conveyor belt ball lift Aug. 9, 1994
4968031 Pinball machine with ball-launching ramps Nov. 6, 1990
4861037 Pinball runway and scoring feature Aug. 29, 1989
4848748 Ball lifter mechanism Jul. 18, 1989
4844447 Sound and visual display apparatus Jul. 4, 1989
4840375 Pinball machine Jun. 20, 1989
4822045 Rolling ball game Apr. 18, 1989
4805906 Pinball machine construction Feb. 21, 1989
4447057 Toy with balls May. 8, 1984
4032148 Game apparatus Jun. 28, 1977











 
 
  Recently Added Patents
Preparation and its use of derivatization reagent for detecting L-carnitine or D-carnitine
Small molecule inhibitors of kynurenine-3-monooxygenase
Method and system and policy server for guaranteeing data not to be interrupted
Generating a network map
Salts and polymorphs of desazadesferrithiocin polyether analogues as metal chelation agents
Distylium plant named `PIIDIST-I`
Mobile device mode control based on dual mapping of availability (presence) information
  Randomly Featured Patents
Handheld electronic device
Universal handle for hand-held implement
Pressure-sensitive adhesives
Ground cover rose plant named `NOA168098F`
Method of molding a tamper-evident closure seal
Preparation and use of a reactive solid support surface
Vehicle receiver hitch supported lockable sporting equipment carrier
Data retention secondary voltage regulator
Utilization of polymerizable liquid crystal substances for the production of optical components
Intelligent media reader and label printer