Patent US-1879-213603
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Calls for two (or more!) balloons, the lower one(s) ring-shaped to allow for a connection to the upper
- Inventor location: Paris, France (current); St Petersburg, Russia (home)
- The witnesses are identified on the patent as clerks at Mennons & Co., Patent solicitors in Paris. Apraxine presumably had a business relation with them, and possibly they helped file this patent. Below I mark Mennons & Co. as the patent agent, making that inference here so we can use this relation to learn more about Mennons & Co.
Sources
- Patent 213603 document and bibliographic info on espacenet
- Patent 213603 at google patents
- Short's DB
- PTO 244
| Year filed | 1878 |
|---|---|
| Year granted | 1879 |
| Office | US |
| Patent number | 213603 |
| Inventors | Comte Antoine Apraxine |
| Inventor country | RU, FR |
| Applicant person | Comte Antoine Apraxine |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvement in aerial balloon |
| English title | Aerial balloon |
| Tech fields | LTA, balloon |
| Filing date | June 28, 1878 |
| Full specification filed date | |
| Application number | |
| Grant date | March 25, 1879 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | 213603 |
| Patent agent | Mennons |
| Assigned to | |
| National tech categories | USPC 244/33, USPC 239/318 |
| IPCs | IPC B64B1/00 |
| CPCs | CPC B64B1/40 |
| Family year | 1878 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 45922450 |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 2 |
