Patent US-1895-535172
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Relates to "screw propeller wheels or blades for steamships and other crafts" ... particularly construction and arrangement.
Sources
- Patent 535172 document and bibliographic info on espacenet
- Patent 535172 at google patents
- Inventor location (imputed by HistPat): Philadelphia county, PA (FIPSloc=42101)
| Year filed | 1894 |
|---|---|
| Year granted | 1895 |
| Office | US |
| Patent number | 535172 |
| Inventors | Charles R. Purnell |
| Inventor country | US |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Screw-Propeller |
| English title | Screw-Propeller |
| Tech fields | propeller, marine |
| Filing date | 1894-11-16 |
| Full specification filed date | |
| Application number | 528973 |
| Grant date | 1895-03-05 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0.5 |
| Serial number | |
| Patent agent | J. Walter Douglass |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B63H1/12, CPC B64C11/48 |
| Family year | 1895 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 46475990 |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 2 |
| Number of figures | 4 |
| Number of claims | 2 |
