U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 70/278.5 - Plural interdependent or plural independently operable tumbler sets


Subclass of Class 70 - Locks
Definition: Subject matter wherein the operating mechanism has at
No. of patents: 4
Last issue date: 03/11/2003


NumberTitleIssue Date
6531655Protective-door handle
The invention relates to a protective-door handle for a protective door which is fitted with at least one safety tumbler and is intended for a protective region of a machine, mechanical installation or the like, having a central leg and two side legs whic...
03/11/2003
5020346Permutation lock, particularly for storage compartments
A permutation lock, particularly for storage compartments, has a variable combination such that an opening combination corresponds to a combination to which the lock was set by advancement of the bolt into the locked position. The lock has an emergency op...
06/04/1991
4318288Steering column lock
A tamper-resistant steering column lock incorporating an improved combination lock is disclosed. The improved combination lock includes an array of discs, each having an electrically conductive member extending therethrough. The disc at one end of the arr...
03/09/1982
4112267Coded switching device
A coded switching device having a plurality of actuator dial knobs will, n set to a predetermined combination, provide electrical continuity between terminals on the device. Setting the dial knobs to another predetermined combination will enable the comb...
09/05/1978
 
Sign InRegister
Username  
Password   
forgot password?