Patent FR-1902-321963
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Sources
- [https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=6&ND=3&adjacent=true&locale=en_EP&FT=D&date=19030123&CC=FR&NR=321963A&KC=a}}
- [Dispositif pour la respiration d'air frais pour des personnes se trouvant dans des lieux fermés Original via Espacenet]
- Inventor location: Oberaltstadt near Trautenau (Böhmen)
- Inventor occupation:
| Year filed | 1902 |
|---|---|
| Year granted | 1902 |
| Office | FR |
| Patent number | 321963 |
| Inventors | Ignaz Etrich |
| Inventor country | AT |
| Applicant person | Ignaz Etrich |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Dispositif pour la respiration d'air frais pour des personnes se trouvant dans des lieux fermés |
| English title | Fresh air breathing apparatus for personnes finding themselves in closed spaces |
| Tech fields | |
| Filing date | April 24, 1902 |
| Full specification filed date | |
| Application number | |
| Grant date | September 23, 1902 |
| Granted? | Yes |
| Publication date | January 23, 1903 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 6.3 |
| IPCs | IPC A62B18/04 |
| CPCs | CPC A62B18/04 |
| Family year | |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 2 |
