Patent US-1918-1475075
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- Inventor location: Franklin, Venango county, Pennsylvania -- He's moved there from Chicago, it seems
- Tech class CPC B64F1/20: Arrangement of optical beacons
- From the various dates listed, it seems that this patent has a complicated history
Sources
- Patent 1475075 document and bibliographic info on espacenet
- Patent 1475075 at google patents
| Year filed | 1918 |
|---|---|
| Year granted | 1923 |
| Office | US |
| Patent number | 1475075 |
| Inventors | Alfred John Macy |
| Inventor country | US |
| Inventor location | |
| Applicant person | Alfred John Macy |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Landing indicator for airplanes |
| English title | Landing indicator for airplanes |
| Tech fields | landing, dashboard, controls, indicator |
| Filing date | 1918-07-10 |
| Full specification filed date | |
| Application number | |
| Grant date | 1923-11-20 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Charles W. Hills |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64F1/20 |
| CPCs | CPC B64F1/20 |
| Family year | 1918 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 5 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 9 |
| Number of diagram pages | 6 |
| Number of figures | 24 |
| Number of claims | 29 |
