Patent US-1878-205319
Jump to navigation
Jump to search
Use of vacuum to ascend and descend without wasting gas
- Inventor location: Waltham, MA, Middlesex county, MA (FIPSloc=25017, imputed by HistPat)
Sources
- Patent 205319 document and bibliographic info on espacenet
- Patent 205319 at google patents
- Short's DB
- PTO 244
| Year filed | 1878 |
|---|---|
| Year granted | 1878 |
| Office | US |
| Patent number | 205319 |
| Inventors | James Tracy |
| Inventor country | US |
| Inventor location | |
| Applicant person | James Tracy |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvement in balloons |
| English title | Balloon |
| Tech fields | LTA, balloon, control |
| Filing date | 1877-12-11 |
| Full specification filed date | |
| Application number | |
| Grant date | 1878-06-25 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Munn & Co. |
| Assigned to | |
| National tech categories | USPC 244/125, USPC 244/97 |
| IPCs | IPC B64B1/00 |
| CPCs | CPC B64B1/00 |
| Family year | 1877 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 6 |
| Application ID | 45908190 |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims | 1 |
