Patent FR-1910-406101
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- Probably sisters: Hedwig Levin nee Kron and Frida Hurwitz nee Kron
- Inventor location: DK and DE
Sources
- Original patent doc at espacenet
- {{esp|FR|406101A espacenet entry]
| Year filed | 1909 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 406101 |
| Inventors | Hedwig Levin, Frida Hurwitz |
| Inventor country | DK, DE |
| Inventor location | |
| Applicant person | Hedwig Levin, Frida Hurwitz |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Enveloppe de ballon tendue par l'air comprimé |
| English title | Balloon shell stretched by way of compressed air |
| Tech fields | LTA, frame |
| Filing date | August 13, 1909 |
| Full specification filed date | |
| Application number | 406101D |
| Grant date | November 30, 1909 |
| Granted? | Yes |
| Publication date | January 22, 1910 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Lavoix et Mosès |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64B1/00 |
| CPCs | CPC B64B1/00 |
| Family year | 1909 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19225299 |
| INPADOC family ID | 5302377 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 8 |
| Number of claims | 1 |
