FR684622A - Dispositif de protection contre l'aspiration de poussières - Google Patents

Dispositif de protection contre l'aspiration de poussières

Info

Publication number: FR684622A
Authority: FR; France
Prior art keywords: protection device; dust suction; suction protection; dust; suction
Prior art date: 1929-11-04
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

English (en)

Inventor

Frantz Ogrisek

Eugene Piccard

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.)

1929-11-04

Filing date

1929-11-04

Publication date

1930-06-27

1929-11-04 Application filed filed Critical

1930-06-27 Application granted granted Critical

1930-06-27 Publication of FR684622A publication Critical patent/FR684622A/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
- A62B23/06—Nose filters

Landscapes

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

FR684622D 1929-11-04 1929-11-04 Dispositif de protection contre l'aspiration de poussières Expired FR684622A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR684622T		1929-11-04

Publications (1)

Publication Number	Publication Date
FR684622A true FR684622A (fr)	1930-06-27

Family

ID=9024542

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR684622D Expired FR684622A (fr)	1929-11-04	1929-11-04	Dispositif de protection contre l'aspiration de poussières

Country Status (1)

Country	Link
FR (1)	FR684622A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1990012614A1 (fr) *	1989-04-25	1990-11-01	Lincoln Robert A	Filtre a air se portant sur le nez
US4984302A (en) *	1987-03-20	1991-01-15	Robert A Lincoln	Nose-worn air filter
US20210346632A1 (en) *	2020-05-07	2021-11-11	Amy Zhang Liu	Nose respirator device

1929
- 1929-11-04 FR FR684622D patent/FR684622A/fr not_active Expired

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4984302A (en) *	1987-03-20	1991-01-15	Robert A Lincoln	Nose-worn air filter
WO1990012614A1 (fr) *	1989-04-25	1990-11-01	Lincoln Robert A	Filtre a air se portant sur le nez
US20210346632A1 (en) *	2020-05-07	2021-11-11	Amy Zhang Liu	Nose respirator device
US12171945B2 (en) *	2020-05-07	2024-12-24	Amy Zhang Liu	Nose respirator device

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