FR709436A - Hydro-pneumatic device for theft protection and its applications - Google Patents

Hydro-pneumatic device for theft protection and its applications

Info

Publication number
FR709436A
FR709436A FR709436DA FR709436A FR 709436 A FR709436 A FR 709436A FR 709436D A FR709436D A FR 709436DA FR 709436 A FR709436 A FR 709436A
Authority
FR
France
Prior art keywords
hydro
applications
pneumatic device
theft protection
theft
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
Emile-Marie-Francois Fromy
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 FR709436A publication Critical patent/FR709436A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05G—SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
    • E05G1/00—Safes or strong-rooms for valuables
    • E05G1/10—Safes or strong-rooms for valuables with alarm, signal or indicator
FR709436D 1930-04-11 1930-04-11 Hydro-pneumatic device for theft protection and its applications Expired FR709436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR709436T 1930-04-11

Publications (1)

Publication Number Publication Date
FR709436A true FR709436A (en) 1931-08-06

Family

ID=9069471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709436D Expired FR709436A (en) 1930-04-11 1930-04-11 Hydro-pneumatic device for theft protection and its applications

Country Status (1)

Country Link
FR (1) FR709436A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447152A (en) * 1965-08-30 1969-05-27 John L Jensen Fire and smoke alarm device
US3731295A (en) * 1971-03-17 1973-05-01 Gen Electric Leak detector for enclosed electrical apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447152A (en) * 1965-08-30 1969-05-27 John L Jensen Fire and smoke alarm device
US3731295A (en) * 1971-03-17 1973-05-01 Gen Electric Leak detector for enclosed electrical apparatus

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