Patent US-1878-199549
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Agent looks like "C.W. Park[s]" but no match found in 1883 roster.
- Inventor location: Middletown, Middlesex county, CT (FIPSloc=9007)
Sources
- Patent 199549 document and bibliographic info on espacenet
- Patent 199549 at google patents
| Year filed | 1877 |
|---|---|
| Year granted | 1878 |
| Office | US |
| Patent number | 199549 |
| Inventors | Edwin J. Hulbert |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | Yes |
| Original title | Improvement in Screw-Propellers |
| English title | Screw-Propellers |
| Tech fields | propeller, subsystem |
| Filing date | 1877/07/12 |
| Full specification filed date | |
| Application number | |
| Grant date | 1878/01/22 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Partially |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C11/06 |
| Family year | 1878 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 45898213 |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 4 |
