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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.
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