Patent US-1893-506969
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Rubber balls to soften landing
Inventor location (imputed by HistPat): Fairfield, IA, Jefferson county, IA (FIPSloc=19101)
Commentary and questions
One USPC class on this patent was USPC 114/67R. I'm assuming this is the same as USPC 114/67R until we have some reason to think otherwise, and will edit all these to use the shorter name to reduce complexity.
Sources
- Short's DB
- PTO 244
- Patent 506969 document and bibliographic info on espacenet
- Patent 506969 at google patents
| Year filed | |
|---|---|
| Year granted | 1893 |
| Office | US |
| Patent number | 506969 |
| Inventors | Axel F. Bergquist |
| Inventor country | US |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Aerial Vessel |
| English title | Aerial Vessel |
| Tech fields | LTA, car, landing |
| Filing date | 1893-01-11 |
| Full specification filed date | |
| Application number | |
| Grant date | 1893-10-17 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | |
| Serial number | 458055 |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 244/30, USPC 114/67R, USPC 244/96 |
| IPCs | IPC B64B1/00, IPC Y02T70/121 |
| CPCs | CPC B64B1/00, CPC Y02T70/121 |
| Family year | 1893 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 46427206 |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
