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
Clothing fastener accessory
Preserving privacy of digital communication information
Automatically selecting a paper with increased dimensions than originally desired for printing and adding advertisement content to the increased dimensional area of the paper
Method and apparatus for controlling a multi-node process
System and method for passing PLC signals from a first electrical line to a second electrical line
Method of making and using an alpha-glucanase composition to reduce or remove biofilm
Opportunistic modem
  Randomly Featured Patents
Adjustable carpenter's measuring tool
Retaining and guiding configuration
Template-registered diblock copolymer mask for MRAM device formation
Production of metal-ligand complexes
Selective nitration of phenol derivatives
Vacuum cleaner
Shelf assembly
Bone screw system
De' sax' e two cycle engine, constant pressure adiabatic compound "C.P.A.C."
Infrared gas content analyzing apparatus