GB1549803A - Closures of respiratory filters - Google Patents
Closures of respiratory filtersInfo
- Publication number
- GB1549803A GB1549803A GB3939276A GB3939276A GB1549803A GB 1549803 A GB1549803 A GB 1549803A GB 3939276 A GB3939276 A GB 3939276A GB 3939276 A GB3939276 A GB 3939276A GB 1549803 A GB1549803 A GB 1549803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- closures
- respiratory filters
- respiratory
- filters
- 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
Links
- 230000000241 respiratory effect Effects 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752542460 DE2542460A1 (de) | 1975-09-24 | 1975-09-24 | Atemfilter mit plombierverschluessen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1549803A true GB1549803A (en) | 1979-08-08 |
Family
ID=5957203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3939276A Expired GB1549803A (en) | 1975-09-24 | 1976-09-22 | Closures of respiratory filters |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT350396B (https=) |
| BE (1) | BE846490A (https=) |
| DE (1) | DE2542460A1 (https=) |
| FR (1) | FR2325394A1 (https=) |
| GB (1) | GB1549803A (https=) |
| NL (1) | NL7609216A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964218A (en) * | 1994-08-31 | 1999-10-12 | Lifepro, Inc. | Face mask with back-up smoke inhalation protection and method of operation |
| TW287952B (https=) * | 1994-08-31 | 1996-10-11 | Lifepro Inc |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE693265C (de) * | 1936-07-03 | 1940-07-05 | Auergesellschaft Akt Ges | Atemschutzfilter |
| FR822873A (fr) * | 1936-09-17 | 1938-01-10 | Filtres contre les gaz de combat, les arsines, fumées toxiques, poussières, liquides pulvérisés, et en général contre tour agent nocif dans l'atmosphère |
-
1975
- 1975-09-24 DE DE19752542460 patent/DE2542460A1/de not_active Ceased
-
1976
- 1976-08-19 NL NL7609216A patent/NL7609216A/xx not_active Application Discontinuation
- 1976-09-13 FR FR7628119A patent/FR2325394A1/fr active Granted
- 1976-09-22 GB GB3939276A patent/GB1549803A/en not_active Expired
- 1976-09-23 BE BE170864A patent/BE846490A/xx not_active IP Right Cessation
- 1976-09-23 AT AT706876A patent/AT350396B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2542460A1 (de) | 1977-04-07 |
| NL7609216A (nl) | 1977-03-28 |
| ATA706876A (de) | 1978-10-15 |
| FR2325394B1 (https=) | 1980-04-25 |
| FR2325394A1 (fr) | 1977-04-22 |
| AT350396B (de) | 1979-05-25 |
| BE846490A (fr) | 1977-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |