GB9503780D0 - Improvements in or relating to locks - Google Patents

Improvements in or relating to locks

Info

Publication number
GB9503780D0
GB9503780D0 GBGB9503780.0A GB9503780A GB9503780D0 GB 9503780 D0 GB9503780 D0 GB 9503780D0 GB 9503780 A GB9503780 A GB 9503780A GB 9503780 D0 GB9503780 D0 GB 9503780D0
Authority
GB
United Kingdom
Prior art keywords
locks
relating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB9503780.0A
Other versions
GB2298233B (en
GB2298233A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB9503780A priority Critical patent/GB2298233B/en
Publication of GB9503780D0 publication Critical patent/GB9503780D0/en
Publication of GB2298233A publication Critical patent/GB2298233A/en
Application granted granted Critical
Publication of GB2298233B publication Critical patent/GB2298233B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B45/0605—Electric alarm locks for preventing of leaving the key
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B43/00—Time locks
    • E05B43/005—Timer devices controlling electrically operated locks
GB9503780A 1995-02-24 1995-02-24 Warning device for key operated locks Expired - Fee Related GB2298233B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9503780A GB2298233B (en) 1995-02-24 1995-02-24 Warning device for key operated locks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9503780A GB2298233B (en) 1995-02-24 1995-02-24 Warning device for key operated locks

Publications (3)

Publication Number Publication Date
GB9503780D0 true GB9503780D0 (en) 1995-04-12
GB2298233A GB2298233A (en) 1996-08-28
GB2298233B GB2298233B (en) 1999-02-10

Family

ID=10770226

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9503780A Expired - Fee Related GB2298233B (en) 1995-02-24 1995-02-24 Warning device for key operated locks

Country Status (1)

Country Link
GB (1) GB2298233B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19650847C1 (en) * 1996-11-27 1998-04-09 Ikon Praezisionstechnik Security lock for door of housing
GB2329417A (en) * 1997-09-18 1999-03-24 John Anthony Savage Automatically activated,audible warning system for lock keys
GB2336624B (en) * 1998-04-25 2000-03-29 Richard Manning Warning device for key operated locks
BR0103944A (en) * 2001-07-17 2003-08-05 Carlos Eduardo Abeid Keyhole alarm activation system
GB2522633A (en) * 2014-01-30 2015-08-05 Charles Kenneth Lacey Preventing entry via nightlatch without removing key

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1133221A (en) * 1965-06-21 1968-11-13 George Burslem Door locks incorporating burglar alarm switches and ignition switch arrangements for automobiles
US3677219A (en) * 1970-11-02 1972-07-18 Miguel Da Silva Lock with key activating alarm mechanism
US3826116A (en) * 1973-05-03 1974-07-30 L Messera Ignition starter lock key removal system
JPH01289034A (en) * 1988-05-17 1989-11-21 Jiro Yamazoe Device for detecting whether or not key is in lock in case of main switch with cylinder of vehicle or the like
US4864279A (en) * 1988-08-02 1989-09-05 Emanuel Cooper Warning device activated by a key left in a lock
GB2267727A (en) * 1992-06-03 1993-12-15 Yung Shun Lin Lock with an alarm.
CA2218812A1 (en) * 1997-04-14 1998-10-14 Michael D. Jenkins Mobile computer and system

Also Published As

Publication number Publication date
GB2298233B (en) 1999-02-10
GB2298233A (en) 1996-08-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010224