Operating mechanism > Key > Single key > Patents

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Class Information
Number: 70/344
Name: Locks > Operating mechanism > Key > Single key
Description: Subject matter wherein a single key is employed to effect release of the operating mechanism.

Sub-classes under this class:

Class Number	Class Name	Patents
70/347	Tumbler and ward type	11
70/348	Tumbler type	0
70/345	Tumblerless push or pull key	8
70/346	Tumblerless warded	15

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7570172	Key for vehicle and drunken driving preventing device	Aug. 4, 2009
6473022	Mechanical and remote control key	Oct. 29, 2002
6182482	Tamper proof lock assembly and key	Feb. 6, 2001
4599876	Control mechanisms suitable for actuating power-operated locks	Jul. 15, 1986