Resources Contact Us Home
Door security system

Image Number 4 for United States Patent #4763499.

A door security system for the protection of a lock as well as a set of hinges both associated with a door wherein the security system includes a wrap-around cover plate covering surface portions of the exterior and interior of the door adjacent the lock and the lock side surface around the bolt plate of the lock. In addition, structures designed to protect each of the plurality of hinges serving to hang the door on the hinge jamb thereof include a wrap-around cover plate and hinge pin fittings on the inside of the door and a jamb plate and a vertical bar attached to an exterior section which includes a bar surface that is adjacent to a vertically extensive, exterior surface end region of the hinge cover plate when the door is closed.

  Recently Added Patents
Device and method including a soldering process
Systems and methods for generating a user profile based customized media guide with user-generated content and non-user-generated content
Traffic signal mapping and detection
Method and a channel estimating arrangement for performing channel estimation
Methods, systems, and physical computer storage media for processing a plurality of input/output request jobs
Carbon dioxide capture system and methods of capturing carbon dioxide
Embedded package and method for manufacturing the same
  Randomly Featured Patents
Pre-insulated pipe system
Method and network apparatus for adjusting communication resources within a community
Angled disk drive apparatus for transporting and metering particulate material
Animal tag with locking insert
New piperazinylalkylpiperazinedione compounds
Accessory system for vehicle
Attachment means for a graphite x-ray tube target
Salts of 2-alkylthiazole-5-methanol derivatives
Method of detecting relative positional deviation between two objects
Golf tee