NL54341C - - Google Patents
Info
- Publication number
- NL54341C NL54341C NL54341DA NL54341C NL 54341 C NL54341 C NL 54341C NL 54341D A NL54341D A NL 54341DA NL 54341 C NL54341 C NL 54341C
- Authority
- NL
- Netherlands
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing 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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F9/00—Methods 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
- A61F9/02—Goggles
- A61F9/025—Special attachment of screens, e.g. hinged, removable; Roll-up protective layers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing 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
- A62B18/02—Masks
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)
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 |
|---|---|
| NL54341C true NL54341C (zh) | 1943-03-17 |
Family
ID=6950799
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL99504A NL99504B (zh) | 1939-11-12 | 1940-11-11 | |
| NL54341D NL54341C (zh) | 1939-11-12 | 1940-11-11 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL99504A NL99504B (zh) | 1939-11-12 | 1940-11-11 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE740949C (zh) |
| NL (2) | NL99504B (zh) |
Family Cites Families (2)
| 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 |
-
1939
- 1939-11-12 DE DEA90475D patent/DE740949C/de not_active Expired
-
1940
- 1940-11-11 NL NL99504A patent/NL99504B/xx unknown
- 1940-11-11 NL NL54341D patent/NL54341C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE740949C (de) | 1943-11-01 |
| NL99504B (zh) | 1942-11-16 |