Patent US-1918-1296551
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"This invention relates to improvements to machines for navigating the air ... [It has] a propeller arranged over the apparatus [so that it] may be used in the manner of a helicopter at any desired time [to lift the aircraft]. [And, the] blades of the helicopter propeller may be folded and disconnected from their source of power [at will]"
- Tech class CPC B64C23/005: Influencing air flow over aircraft surfaces, not otherwise provided for
- Inventor location: Princeton, British Columbia, all three of them ; Pecher was "a subject of the Emperor of Austria"
Sources
- Patent 1296551 document and bibliographic info on espacenet
- Patent 1296551 at google patents
Year filed | 1918 |
---|---|
Year granted | 1919 |
Office | US |
Patent number | 1296551 |
Inventors | Daniel Pecher |
Inventor country | CA |
Inventor location | British Columbia |
Applicant person | Daniel Pecher, Joseph Pawlick, Tom Guyton |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 0 |
Original title | Aeroplane |
English title | Aeroplane |
Tech fields | helicopter, lift |
Filing date | 1918-09-28 |
Full specification filed date | |
Application number | 25601918 |
Grant date | 1919-03-04 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | 256019 |
Patent agent | Omar Geier |
Assigned to | |
National tech categories | |
IPCs | |
CPCs | CPC B64C23/005 |
Family year | 1918 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | 0 |
Application ID | 47987217 |
INPADOC family ID | 44612220 |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 3 |
Number of claims | 1 |