FR493333A - Masque protecteur - Google Patents

Masque protecteur

Info

Publication number
FR493333A
FR493333A FR493333DA FR493333A FR 493333 A FR493333 A FR 493333A FR 493333D A FR493333D A FR 493333DA FR 493333 A FR493333 A FR 493333A
Authority
FR
France
Prior art keywords
protective mask
mask
protective
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
English (en)
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.)
GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie
Original Assignee
GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie
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 by GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie filed Critical GENERALE des Ets PATHE FRERES (PHONOGRAPHE ET CINEMATOGRAPHE) Cie
Application granted granted Critical
Publication of FR493333A publication Critical patent/FR493333A/fr
Expired legal-status Critical Current

Links

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)
FR493333D 1916-03-29 1916-03-29 Masque protecteur Expired FR493333A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR493333T 1916-03-29

Publications (1)

Publication Number Publication Date
FR493333A true FR493333A (fr) 1919-08-06

Family

ID=1529091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493333D Expired FR493333A (fr) 1916-03-29 1916-03-29 Masque protecteur

Country Status (1)

Country Link
FR (1) FR493333A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436249A (en) * 1944-09-08 1948-02-17 Edmund A Clement Dust protective hood
US4969473A (en) * 1987-02-13 1990-11-13 Bothwell Susan F Dental patient face and neck shield
US5592937A (en) * 1995-06-07 1997-01-14 Mine Safety Appliances Company Respirator mask with stiffening elements
CN107405512A (zh) * 2015-02-27 2017-11-28 3M创新有限公司 具有端部出口的柔性过滤元件

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436249A (en) * 1944-09-08 1948-02-17 Edmund A Clement Dust protective hood
US4969473A (en) * 1987-02-13 1990-11-13 Bothwell Susan F Dental patient face and neck shield
US5592937A (en) * 1995-06-07 1997-01-14 Mine Safety Appliances Company Respirator mask with stiffening elements
CN107405512A (zh) * 2015-02-27 2017-11-28 3M创新有限公司 具有端部出口的柔性过滤元件
EP3261729A4 (fr) * 2015-02-27 2018-07-25 3M Innovative Properties Company Élément de filtre souple ayant une sortie d'extrémité
AU2016223087B2 (en) * 2015-02-27 2019-01-03 3M Innovative Properties Company Flexible filter element having an end outlet
US11311752B2 (en) 2015-02-27 2022-04-26 3M Innovative Properties Company Flexible filter element having an end outlet
US11738218B2 (en) 2015-02-27 2023-08-29 3M Innovative Properties Company Flexible filter element having an end outlet

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