Patent US-1914-1272846
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- Inventor location: Oak Park, Cook county, Illinois
- Tech class CPC B64C27/10: Helicopters with two or more rotors arranged coaxially
- Not clear whether to use first filing year or the "renewal" year as "filing year" ; I prefer to use the earliest one. This patentee makes reference to this patent in a child patent and uses the LATER date, 1916. We'll figure it out.
Patent family descending from Patent US-1914-1272846
- Patent US-1914-1272846 (English title: Aircraft for mechanical flight and automatic soaring)
- Patent US-1918-1345101 (English title: Aircraft, Supplementary to patent: Patent US-1914-1272846)
Sources
- Patent 1272846 document and bibliographic info on espacenet
- Patent 1272846 at google patents
Year filed | 1914 |
---|---|
Year granted | 1918 |
Office | US |
Patent number | 1272846 |
Inventors | Thomas Osborne Perry |
Inventor country | US |
Applicant person | Thomas Osborne Perry |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Aircraft for mechanical flight and automatic soaring |
English title | Aircraft for mechanical flight and automatic soaring |
Tech fields | |
Filing date | 1914-06-22 |
Full specification filed date | 1916-12-04 |
Application number | 13500716 |
Grant date | 1918-07-16 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | |
Patent agent | None |
Assigned to | |
National tech categories | |
IPCs | IPC B64C27/10 |
CPCs | CPC B64C27/10 |
Family year | 1914 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | 7 |
Application ID | 47945154 |
INPADOC family ID | 43225932 |
Number of text pages | 11 |
Number of diagram pages | 6 |
Number of figures | 22 |
Number of claims | 30 |