FR50873E - Masque à gaz - Google Patents

Masque à gaz

Info

Publication number: FR50873E
Authority: FR; France
Prior art keywords: gas mask; mask; gas
Prior art date: 1939-08-12
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

Charles Auguste Sander

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.)

1939-08-12

Filing date

1939-08-12

Publication date

1941-04-18

1939-08-12 Application filed filed Critical

1941-04-18 Application granted granted Critical

1941-04-18 Publication of FR50873E publication Critical patent/FR50873E/fr

Status Expired legal-status Critical Current

Classifications

- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators

Landscapes

Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)

FR50873D 1939-08-12 1939-08-12 Masque à gaz Expired FR50873E (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR50873T		1939-08-12

Publications (1)

Publication Number	Publication Date
FR50873E true FR50873E (fr)	1941-04-18

Family

ID=8685829

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR50873D Expired FR50873E (fr)	1939-08-12	1939-08-12	Masque à gaz

Country Status (1)

Country	Link
FR (1)	FR50873E (fr)

1939
- 1939-08-12 FR FR50873D patent/FR50873E/fr not_active Expired

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