FR492536A - Device for the purification of unbreathable air - Google Patents

Device for the purification of unbreathable air

Info

Publication number
FR492536A
FR492536A FR492536DA FR492536A FR 492536 A FR492536 A FR 492536A FR 492536D A FR492536D A FR 492536DA FR 492536 A FR492536 A FR 492536A
Authority
FR
France
Prior art keywords
unbreathable
purification
air
unbreathable air
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)
Inventor
Isaac Levy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR492536A publication Critical patent/FR492536A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B21/00—Devices for producing oxygen from chemical substances for respiratory apparatus

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR492536D 1915-09-14 1915-09-14 Device for the purification of unbreathable air Expired FR492536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR492536T 1915-09-14

Publications (1)

Publication Number Publication Date
FR492536A true FR492536A (en) 1919-07-10

Family

ID=1528396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492536D Expired FR492536A (en) 1915-09-14 1915-09-14 Device for the purification of unbreathable air

Country Status (1)

Country Link
FR (1) FR492536A (en)

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