Resources Contact Us Home
Artificial Christmas tree

Image Number 2 for United States Patent #4805075.

An artificial Christmas tree having a hollow tree trunk and a plurality of branches. Each branch has a connector for attaching it to the tree trunk. Each connector includes a pair of electrical contacts connected to electric lamps disposed in the branch with the electrical contacts engaging a mating pair of electrical contacts in the tree trunk when the branch is attached thereto. Electrical power is supplied to the lamps from a conventional household electrical power source through an electrical circuit inside of the hollow tree trunk interconnecting the mating electrical contacts.

  Recently Added Patents
Process for the preparation of darunavir
Parallel DLL tree initialization
Sealing glass for semiconductor device, sealing material, sealing material paste, and semiconductor device and its production process
System and method for distributing video conference data over an internet protocol television system
Method of improving semi-persistent scheduling resources reconfiguration in a wireless communication system and related communication device
Electronic system with expansion feature
  Randomly Featured Patents
Active noise-attenuating duct element
Miniature rose plant named `Savanight`
Print head assembly
Conveying pipe
Transmission control device
3-D Radar comprising 2-D radar with height finding attachment
Controller for fuel injection system
Watch dial
Truck having an extendable and retractable truck bed to receive truck boxes of different lengths and method of operation thereof
Installation for venting fuel tanks, especially for motor vehicles