Patent DE-1879-5686
Jump to navigation
Jump to search
DE 77h was applied retroactively, in 1909—or so we might infer from the handwritten note at the top of the scan.
- Inventor location: Montreal ; Montreal
- Inventor occupation: Page is engineer (Ingenieur), according to DPMA record
Sources
- Lilienthal museum patents
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
- Zeitschrift des Deutschen Vereins zur Förderung der Luftschifffahrt (Zeitschrift für Luftschiffahrt und Physik der Atmosphäre) vol. 4 (1885), p. 85
| Year filed | 1878 |
|---|---|
| Year granted | 1879 |
| Office | DE |
| Patent number | 5686 |
| Inventors | Richard William Cowan, Charles Pagé |
| Inventor country | CA, CA |
| Applicant person | Richard William Cowan, Charles Pagé |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | No |
| Original title | Neuerung an den Schaufelrädern mit drehbaren Schaufeln zur Fortbewegung von Luftschiffen und unterseeischen Schiffen |
| English title | Wheels with rotating blades for movement of air ships and submarine vessels |
| Tech fields | LTA, propulsion, navigation, marine |
| Filing date | 1878/05/18 |
| Full specification filed date | |
| Application number | |
| Grant date | 1879/06/17 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent CA-1878-8860 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77, DE 77h |
| IPCs | IPC E21D15/28, IPC E21D15/38 |
| CPCs | CPC E21D15/285, CPC E21D15/38 |
| Family year | 1879 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 6 |
| Number of claims | 1 |
