NL99504B - - Google Patents

Info

Publication number
NL99504B
NL99504B NL99504A NL99504A NL99504B NL 99504 B NL99504 B NL 99504B NL 99504 A NL99504 A NL 99504A NL 99504 A NL99504 A NL 99504A NL 99504 B NL99504 B NL 99504B
Authority
NL
Netherlands
Application number
NL99504A
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 filed Critical
Publication of NL99504B publication Critical patent/NL99504B/xx

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/082Assembling eyepieces, lenses or vision-correction means in or on gas-masks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/02Goggles
    • A61F9/025Special attachment of screens, e.g. hinged, removable; Roll-up protective layers
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02Masks

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Zoology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
NL99504A 1939-11-12 1940-11-11 NL99504B (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA90475D DE740949C (de) 1939-11-12 1939-11-12 Augenglasfassung fuer Gasschutzmasken

Publications (1)

Publication Number Publication Date
NL99504B true NL99504B (en:Method) 1942-11-16

Family

ID=6950799

Family Applications (2)

Application Number Title Priority Date Filing Date
NL99504A NL99504B (en:Method) 1939-11-12 1940-11-11
NL54341D NL54341C (en:Method) 1939-11-12 1940-11-11

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL54341D NL54341C (en:Method) 1939-11-12 1940-11-11

Country Status (2)

Country Link
DE (1) DE740949C (en:Method)
NL (2) NL99504B (en:Method)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1388959A (en) * 1918-08-27 1921-08-30 Landers Gas-mask
GB209393A (en) * 1923-01-08 1924-07-03 Mine Safety Appliances Co Improvements in gas masks and the like

Also Published As

Publication number Publication date
NL54341C (en:Method) 1943-03-17
DE740949C (de) 1943-11-01

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