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GB2250539B - A security unit - Google Patents

A security unit

Info

Publication number
GB2250539B
GB2250539B GB9024674A GB9024674A GB2250539B GB 2250539 B GB2250539 B GB 2250539B GB 9024674 A GB9024674 A GB 9024674A GB 9024674 A GB9024674 A GB 9024674A GB 2250539 B GB2250539 B GB 2250539B
Authority
GB
United Kingdom
Prior art keywords
security unit
security
unit
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.)
Expired - Fee Related
Application number
GB9024674A
Other versions
GB9024674D0 (en
GB2250539A (en
Inventor
Patrick Brian Curran
David Stanley Nash
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.)
BELL SECURITY Ltd
U R A PRODUCTS Ltd
Original Assignee
BELL SECURITY Ltd
U R A PRODUCTS Ltd
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 BELL SECURITY Ltd, U R A PRODUCTS Ltd filed Critical BELL SECURITY Ltd
Priority to GB9024674A priority Critical patent/GB2250539B/en
Publication of GB9024674D0 publication Critical patent/GB9024674D0/en
Publication of GB2250539A publication Critical patent/GB2250539A/en
Application granted granted Critical
Publication of GB2250539B publication Critical patent/GB2250539B/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
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E05B17/147—Closures or guards for keyholes electrically-operated
    • 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
GB9024674A 1990-11-13 1990-11-13 A security unit Expired - Fee Related GB2250539B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9024674A GB2250539B (en) 1990-11-13 1990-11-13 A security unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9024674A GB2250539B (en) 1990-11-13 1990-11-13 A security unit

Publications (3)

Publication Number Publication Date
GB9024674D0 GB9024674D0 (en) 1991-01-02
GB2250539A GB2250539A (en) 1992-06-10
GB2250539B true GB2250539B (en) 1994-04-06

Family

ID=10685308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9024674A Expired - Fee Related GB2250539B (en) 1990-11-13 1990-11-13 A security unit

Country Status (1)

Country Link
GB (1) GB2250539B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19815563C1 (en) * 1998-03-31 1999-09-16 Ikon Praezisionstechnik Safety lock for a door, especially for a telecommunications or data branch housing
DE29817774U1 (en) * 1998-09-21 1999-01-07 Ikon AG Präzisionstechnik, 14167 Berlin Electrical contact connection
KR20000071438A (en) * 1999-04-27 2000-11-25 하시모토 토모요시 Key cover of a manhole cover,a locking device and a locking system using the same, and a switching control system of a manhole cover

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120833A (en) * 1964-04-17 1968-07-24 Seal Safe Co Ltd Improvements relating to combination locks
EP0250247A2 (en) * 1986-06-19 1987-12-23 Henri Rochman Protective device for key-operated door locks
GB2195141A (en) * 1986-09-20 1988-03-30 Thorn Emi Protech Limited A device for protecting a key- hole of a lock for a closure member
GB2215378A (en) * 1988-03-08 1989-09-20 Walter Wilson Hugh Clarke Keyhole security device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120833A (en) * 1964-04-17 1968-07-24 Seal Safe Co Ltd Improvements relating to combination locks
EP0250247A2 (en) * 1986-06-19 1987-12-23 Henri Rochman Protective device for key-operated door locks
GB2195141A (en) * 1986-09-20 1988-03-30 Thorn Emi Protech Limited A device for protecting a key- hole of a lock for a closure member
GB2215378A (en) * 1988-03-08 1989-09-20 Walter Wilson Hugh Clarke Keyhole security device

Also Published As

Publication number Publication date
GB9024674D0 (en) 1991-01-02
GB2250539A (en) 1992-06-10

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Legal Events

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

Effective date: 19971113