ClassID:

132400

E05B27/0053 - CPC Classification

Classification description:

Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in for use with more than one key, e.g. master-slave key

Recent Application in this class:
#1
20260078607
2026-03-19

REKEYABLE LOCK CYLINDER

#2
20250198195
2025-06-19

DOOR LOCK WITH ASSOCIATED KEYS

#3
20240271463
2024-08-15

LOCKSET

#4
20240271462
2024-08-15

LOCK CORE DEVICE BASED ON MATCHING MULTIPLE KEY CROSS-SECTIONAL SHAPES, ITS BALL SLOT CONFIGURATION METHOD, AND ITS CORRESPONDING LOCKING KEY

#5
20240229507
2024-07-11

REKEYABLE LOCK CYLINDER

#6
20230295955
2023-09-21

Lock system with auxiliary pin tumbler stack

#7
20230035220
2023-02-02

Modular and interchangeable lock plug

#8
20210355708
2021-11-18

Cylinder lock

#9
20210270057
2021-09-02

Key, lock, and latch assembly

#10
20210172199
2021-06-10

Modular and interchangeable lock plug

#11
20200399927
2020-12-24

INTERCHANGEABLE CYLINDER FOR LOCKS

#12
20200291679
2020-09-17

Cylinder lock and key system

#13
20200224452
2020-07-16

Key operated lock

#14
20200024865
2020-01-23

Lockdown cylinder locks

#15
20190257115
2019-08-22

Lock cylinders and control keys

#16
20190249456
2019-08-15

Lock apparatus

#17
20180334832
2018-11-22

PROGRAMMABLE LOCK

#18
20170321450
2017-11-09

Dual function lock cylinder assembly operable by different keys

#19
20170306669
2017-10-26

Clevis sensing lock

#20
20170204634
2017-07-20

Lock

#21
20170152678
2017-06-01

Lock cylinders and control keys

#22
20150240525
2015-08-27

Sidebit operated interchangeable core control lug

#23
20140260457
2014-09-18

Rotational range modifier for locking systems

#24
20130192320
2013-08-01

LOCK SYSTEM

#25
20130091911
2013-04-18

Cylinder lock assembly with non-rotating elements

#26
20130091910
2013-04-18

Cylinder lock assembly with non-rotating elements

#27
20120210756
2012-08-23

High Security Moving Mass Lock System

#28
20120060726
2012-03-15

Emergently Openable Safe Door

#29
20120060571
2012-03-15

Dual key bi-step lock

#30
20120055215
2012-03-08

Lock cylinder with offset pin

#31
20120042701
2012-02-23

High security moving mass lock system

#32
20100199733
2010-08-12

PROGRAMMABLE LOCK WITH TEMPORARY ACCESS KEY

#33
20090301148
2009-12-10

Lock, key blank, and key of a hierarchical lock system

#34
20090301144
2009-12-10

LOCK MASTER KEYING EVALUATION SYSTEM AND METHOD

#35
20090277239
2009-11-12

Master keying system and method for programmable lock cylinder assemblies

#36
20090272159
2009-11-05

Positional multiplex keyway system

#37
20080314106
2008-12-25

Programmable lock cylinder assembly

#38
20080250830
2008-10-16

Lock, key blank, and key of a hierarchical lock system

#39
20080223097
2008-09-18

Hierarchical cylinder lock systems

#40
20080163657
2008-07-10

Lock cylinder with offset pin

#41
20070017264
2007-01-25

Positional multiplex keyway system

#42
20060260369
2006-11-23

Key operated padlock construction with visual indicator

#43
20060086164
2006-04-27

Safety key and locking cylinder, and locking system with such safety keys and locking cylinders

#44
20060021406
2006-02-02

Programmable lock with a controlled programming position

#45
20060016232
2006-01-26

Locking device

#46
20060010945
2006-01-19

Programmable lock with temporary access key

#47
20050262907
2005-12-01

Hook latch

#48
20050229658
2005-10-20

Slide latch assembly

#49
20050183482
2005-08-25

Changeable lock assembly