GB2208305B - Intruder alarm - Google Patents

Intruder alarm

Info

Publication number: GB2208305B
Authority: GB; United Kingdom
Prior art keywords: intruder alarm; intruder; alarm
Prior art date: 1987-07-25
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.): Expired - Lifetime

Application number

GB8717686A

Other versions

GB2208305A (en

GB8717686D0 (en

Inventor

John Bramall

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.)

1987-07-25

Filing date

1987-07-25

Publication date

1991-05-22

1987-07-25 Application filed by Individual filed Critical Individual

1987-07-25 Priority to GB8717686A priority Critical patent/GB2208305B/en

1987-09-03 Publication of GB8717686D0 publication Critical patent/GB8717686D0/en

1989-03-22 Publication of GB2208305A publication Critical patent/GB2208305A/en

1991-05-22 Application granted granted Critical

1991-05-22 Publication of GB2208305B publication Critical patent/GB2208305B/en

2007-07-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
- E05B45/083—Electric alarm locks with contact making inside the lock or in the striking plate with contact making either in the striking plate or by movement of the bolt relative to the striking plate

GB8717686A 1987-07-25 1987-07-25 Intruder alarm Expired - Lifetime GB2208305B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8717686A GB2208305B (en)	1987-07-25	1987-07-25	Intruder alarm

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8717686A GB2208305B (en)	1987-07-25	1987-07-25	Intruder alarm

Publications (3)

Publication Number	Publication Date
GB8717686D0 GB8717686D0 (en)	1987-09-03
GB2208305A GB2208305A (en)	1989-03-22
GB2208305B true GB2208305B (en)	1991-05-22

Family

ID=10621324

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8717686A Expired - Lifetime GB2208305B (en)	1987-07-25	1987-07-25	Intruder alarm

Country Status (1)

Country	Link
GB (1)	GB2208305B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2011201414B2 (en) *	2005-07-21	2013-01-17	AMS Australia Pty Ltd	Micro-switch box for a door lock monitoring and entry control unit
EP2561492B1 (en) *	2010-04-20	2020-07-15	Ebenlock Oy	Burglar alarm arrangement
WO2015171383A1 (en) *	2014-05-07	2015-11-12	Thomson Licensing	A deadbolt sensing arrangement having a spring that provides dual functions
WO2015171389A1 (en) *	2014-05-07	2015-11-12	Technicolor Usa, Inc.	A deadbolt sensor retaining arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1484729A (en) *	1973-08-29	1977-09-01	Cisa Costr It Serrature Affini	Alarm device for signalling the undue opening of doors and closure flaps in general
GB2024917A (en) *	1978-06-13	1980-01-16	Winkhaus Trading	(trading as winkhaus aug door lock
GB2054227A (en) *	1979-07-18	1981-02-11	Ormandy L	Lock assembly incorporating an alarm switch
GB2100038A (en) *	1981-03-12	1982-12-15	Cenzio Luis	Anti-theft devices

1987
- 1987-07-25 GB GB8717686A patent/GB2208305B/en not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1484729A (en) *	1973-08-29	1977-09-01	Cisa Costr It Serrature Affini	Alarm device for signalling the undue opening of doors and closure flaps in general
GB2024917A (en) *	1978-06-13	1980-01-16	Winkhaus Trading	(trading as winkhaus aug door lock
GB2054227A (en) *	1979-07-18	1981-02-11	Ormandy L	Lock assembly incorporating an alarm switch
GB2100038A (en) *	1981-03-12	1982-12-15	Cenzio Luis	Anti-theft devices

Also Published As

Publication number	Publication date
GB2208305A (en)	1989-03-22
GB8717686D0 (en)	1987-09-03

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Legal Events

Date	Code	Title	Description
1993-03-24	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19920725