FR421303A - Avertisseur d'alarme - Google Patents

Avertisseur d'alarme

Info

Publication number: FR421303A
Authority: FR; France
Prior art keywords: alarm buzzer; buzzer; alarm
Prior art date: 1909-12-17
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

Inventor

Andre-Georges-Marcel Cathiard

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.)

ANDRE GEORGES MARCEL CATHIARD

Original Assignee

ANDRE GEORGES MARCEL CATHIARD

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.)

1909-12-17

Filing date

1909-12-17

Publication date

1911-02-20

1909-12-17 Application filed by ANDRE GEORGES MARCEL CATHIARD filed Critical ANDRE GEORGES MARCEL CATHIARD

1911-02-20 Application granted granted Critical

1911-02-20 Publication of FR421303A publication Critical patent/FR421303A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

Business, Economics & Management (AREA)
Emergency Management (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR421303D 1909-12-17 1909-12-17 Avertisseur d'alarme Expired FR421303A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR421303T		1909-12-17

Publications (1)

Publication Number	Publication Date
FR421303A true FR421303A (fr)	1911-02-20

Family

ID=1464366

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR421303D Expired FR421303A (fr)	1909-12-17	1909-12-17	Avertisseur d'alarme

Country Status (1)

Country	Link
FR (1)	FR421303A (fr)

1909
- 1909-12-17 FR FR421303D patent/FR421303A/fr not_active Expired

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