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
Metal colloidal particles, metal colloid and use of metal colloid
Non-transitory computer readable recording medium storing print management program, print management device, print management method, and print system
Surfcraft fin
Integrated circuit packaging system with laser hole and method of manufacture thereof
Modular utility rack
Mobile terminal
Blocky hydroxyethylcellulose, derivatives thereof, process of making and uses thereof
  Randomly Featured Patents
Method and apparatus for packaging circuit devices
Layout patterns for deep well region to facilitate routing body-bias voltage
Promoters for regulation of gene expression in plant roots
Dispensing system with means for increasing delivery of beneficial agent from the system
Digital or key card operated electronic door lock
Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device
Dither system for motion sensors
Document recorder
Method of forming an electrical connector
Query predicate generator to construct a database query predicate from received query conditions