Patent GB-1902-8772
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Although this device has applications within other contexts, such as mining, the aerial applicability is found within the original associated with Patent AT-1902-6911.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: Oberaltstadt near Trautenau, Bohemia (at the time contained within the Austrian or Austro-Hungarian Empire)
- Inventor occupation: Etrich identifies simply as a factory owner, within this original, associated with the above location.
| Year filed | 1902 |
|---|---|
| Year granted | 1902 |
| Office | GB |
| Patent number | 8772 |
| Inventors | Ignaz Etrich |
| Inventor country | AT |
| Applicant person | Ignaz Etrich |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Device for Supplying Fresh Air for Respiration to Persons Staying in Closed Rooms |
| English title | Device (helmet) facilitating respiration within closed spaces |
| Tech fields | |
| Filing date | April 15, 1902 |
| Full specification filed date | April 15, 1902 |
| Application number | GBD190208722 |
| Grant date | June 19, 1902 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Partially |
| Serial number | |
| Patent agent | Walter Folkmar |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| 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 |
