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FR555817A - Device for verifying that a lock or other locking system has not been opened fraudulently - Google Patents

Device for verifying that a lock or other locking system has not been opened fraudulently

Info

Publication number
FR555817A
FR555817A FR555817DA FR555817A FR 555817 A FR555817 A FR 555817A FR 555817D A FR555817D A FR 555817DA FR 555817 A FR555817 A FR 555817A
Authority
FR
France
Prior art keywords
verifying
lock
locking system
fraudulently
opened
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
Application number
Other languages
French (fr)
Inventor
Eduardo Burnay
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 filed Critical
Application granted granted Critical
Publication of FR555817A publication Critical patent/FR555817A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B39/00—Locks giving indication of authorised or unauthorised unlocking
    • E05B39/02—Locks giving indication of authorised or unauthorised unlocking with destructible seal closures or paper closures
FR555817D 1922-09-09 1922-09-09 Device for verifying that a lock or other locking system has not been opened fraudulently Expired FR555817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR555817T 1922-09-09

Publications (1)

Publication Number Publication Date
FR555817A true FR555817A (en) 1923-07-06

Family

ID=8939710

Family Applications (1)

Application Number Title Priority Date Filing Date
FR555817D Expired FR555817A (en) 1922-09-09 1922-09-09 Device for verifying that a lock or other locking system has not been opened fraudulently

Country Status (1)

Country Link
FR (1) FR555817A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101210B (en) * 1959-03-02 1961-03-02 Martin Konieczny Device covering the keyhole with a slide
US3034819A (en) * 1960-03-14 1962-05-15 Thomas J Tupper Sealing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101210B (en) * 1959-03-02 1961-03-02 Martin Konieczny Device covering the keyhole with a slide
US3034819A (en) * 1960-03-14 1962-05-15 Thomas J Tupper Sealing device

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