E05B19/22 - CPC Classification Index

ClassID:

132375 ⎘

E05B19/22 - CPC Classification

Classification description:

Keys; Accessories therefor Keys with devices for indicating whether the last operation was locking or unlocking

Recent Application in this class:

20200270901

2020-08-27

Key accessory

20190390479

2019-12-26

Method for detecting a change of a state of a lock and a system for detecting a change of a state of a lock

20150300042

2015-10-22

Key with indication “locked—unlocked” of a cylinder lock

20130145802

2013-06-13

Low-cost door key with switch sensor indicator to detect dead bolt lock status

20120207265

2012-08-16

Apparatus and method for electronic detection of key insertion and removal

20110285528

2011-11-24

Wireless network apparatus and method for lock indication

20110100076

2011-05-05

Apparatus and method for electronic lock key indicator

20090293567

2009-12-03

Door lock recording device

20090201151

2009-08-13

LOCKED OR UNLOCKED STATUS KEY INDICATOR SYSTEM

#10

20090113961

2009-05-07

Remote Controllable Locking Device for a Vehicle

#11

20090064746

2009-03-12

Method, apparatus, and system for an electronic key usage history indicator

#12

20080211707

2008-09-04

Slider-Activated Remote Controller for a Vehicle

#13

20080086242

2008-04-10

Motor Vehicle Key

#14

18383970

2024-06-04

System including audit enhancement assembly with enhanced sensing capability