Operating mechanism > Key > Operating elements > Keys > Patents

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Class Information
Number: 70/393
Name: Locks > Operating mechanism > Key > Operating elements > Keys
Description: Devices embodying keys.

Sub-classes under this class:

Class Number	Class Name	Patents
70/409	Bitting	181
70/408	Bow or head	180
70/414	Ejecting feature	3
70/413	Magnetic features	120
70/395	Multi-part structures	141
70/394	Picking	42
70/401	Plural shanks, stems or bit wings	30
70/402	Single shank or stem	7

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6879242	Color based lock and key	Apr. 12, 2005
6331812	Programmable electronic locking device	Dec. 18, 2001
5775148	Universal apparatus for use with electronic and/or mechanical access control devices	Jul. 7, 1998
5706683	Key mechanism	Jan. 13, 1998
4805428	Lock and key	Feb. 21, 1989
4787225	Key for a lock cylinder	Nov. 29, 1988
4726205	Ignition key with transmitter	Feb. 23, 1988