Resources Contact Us Home
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 472/54
Name: Amusement devices > For perpetrating practical joke or initiation ceremony > Unexpectedly falls apart or projects movable or free part
Description: Amusement device wherein the surprising or unexpected effect or sensation produced by the device either (a) includes the device unexpectedly coming apart into plural component portions when the person attempts to use the device in the manner for which it appears to be intended; or (b) includes means to unexpectedly eject or extend a movable portion of the device outwardly relative to the rest of the device.

Sub-classes under this class:

Class Number Class Name Patents
472/55 User contacted by attached projected part 7

Patents under this class:

Patent Number Title Of Patent Date Issued
7861444 Animated artificial flower Jan. 4, 2011
7373902 Automated pet toy May. 20, 2008
6726572 Pop-up surprise Apr. 27, 2004
6001019 Pop-up display Dec. 14, 1999
5935013 Self-triggering inflatable balloon device and valve therefor Aug. 10, 1999
5487706 Entertainment system and associated method Jan. 30, 1996
5480339 Automatically inflatable toy Jan. 2, 1996
5409420 Spectator failure trick involving suspension illusion Apr. 25, 1995
5389030 Inflatable novelty device Feb. 14, 1995
5372549 Wig flipping device Dec. 13, 1994
5304096 Entertainment system and associated method Apr. 19, 1994
5120263 Exploding box Jun. 9, 1992
5083771 Novelty item Jan. 28, 1992
5083961 Inflatable toy unit Jan. 28, 1992
5074819 Toy bank novelty device Dec. 24, 1991
5055084 Card box with spring surprise flap Oct. 8, 1991
4903958 Balloon amusement device Feb. 27, 1990
4786048 Novelty item Nov. 22, 1988
4772241 Toy top with impeller-driven flywheel Sep. 20, 1988
4736943 Windup spring using toy Apr. 12, 1988
4697807 Novelty golf ball Oct. 6, 1987
4579541 Mechanical action monster rock toys Apr. 1, 1986

  Recently Added Patents
Apparatus and method for controlling semiconductor die warpage
Network traffic demotion
Testing SQL query writing skills
Nonvolatile semiconductor memory device and method of manufacturing the same
Viewing stand
Integrated circuit packaging system with coupling features and method of manufacture thereof
Reading apparatus and reading method
  Randomly Featured Patents
Belted work machine
Christmas ornament
Diesel engine white smoke control system
Bioelectric neutralization of acid waters
Preparation of hydroxylamines from ammonia or the corresponding amines, hydrogen and oxygen
High stability trimaran
Automation system with automation objects with a directory structure and method for the management of automations objects in a directory structure
Seal and scraper assembly for ball bearing screws and the like
Method for continuous atmospheric pressure plasma treatment of workpieces
Method and apparatus for inter-cylinder lubrication transfer in a multi-cylinder internal combustion engine