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FR853770A - Improvements made to protection devices against stale atmospheres, in particular those loaded with noxious vapors or suspended dust - Google Patents

Improvements made to protection devices against stale atmospheres, in particular those loaded with noxious vapors or suspended dust

Info

Publication number
FR853770A
FR853770A FR853770DA FR853770A FR 853770 A FR853770 A FR 853770A FR 853770D A FR853770D A FR 853770DA FR 853770 A FR853770 A FR 853770A
Authority
FR
France
Prior art keywords
atmospheres
particular those
improvements made
protection devices
devices against
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)
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.)
KREMLIM ATEL DU
Original Assignee
KREMLIM ATEL DU
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 KREMLIM ATEL DU filed Critical KREMLIM ATEL DU
Application granted granted Critical
Publication of FR853770A publication Critical patent/FR853770A/en
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)
FR853770D 1938-11-09 1938-11-09 Improvements made to protection devices against stale atmospheres, in particular those loaded with noxious vapors or suspended dust Expired FR853770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853770T 1938-11-09

Publications (1)

Publication Number Publication Date
FR853770A true FR853770A (en) 1940-03-28

Family

ID=9327213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853770D Expired FR853770A (en) 1938-11-09 1938-11-09 Improvements made to protection devices against stale atmospheres, in particular those loaded with noxious vapors or suspended dust

Country Status (1)

Country Link
FR (1) FR853770A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458580A (en) * 1945-04-18 1949-01-11 Henry D Fisketti Mask
US2652828A (en) * 1951-03-26 1953-09-22 Willson Products Inc Respirator
WO2004000421A1 (en) * 2002-06-24 2003-12-31 Brookdale International Systems, Inc. Personal emergency breathing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458580A (en) * 1945-04-18 1949-01-11 Henry D Fisketti Mask
US2652828A (en) * 1951-03-26 1953-09-22 Willson Products Inc Respirator
WO2004000421A1 (en) * 2002-06-24 2003-12-31 Brookdale International Systems, Inc. Personal emergency breathing system

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