Patent US-1913-1052986
Revision as of 18:57, 28 December 2024 by AvionHerbert (talk | contribs) (Text replacement - "|Tech field=" to "|Tech fields=")
| Year filed | 1911 |
|---|---|
| Year granted | 1913 |
| Office | US |
| Patent number | 1052986 |
| Inventors | Joseph L. TUCKER |
| Inventor country | US |
| Inventor location | |
| Applicant person | TUCKER JOSEPH L |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Flying-machine |
| English title | Flying-machine |
| Tech fields | helicopter |
| Filing date | frame |
| Full specification filed date | propeller |
| Application number | 1911-08-12 |
| Grant date | |
| Granted? | 1911643751 |
| Publication date | 1913-02-11 |
| Supplementary to patent | 1 |
| Related to aircraft? | |
| Serial number | |
| Patent agent | 1 |
| Assigned to | 643751 |
| National tech categories | USPC 244/17.19 |
| IPCs | |
| CPCs | |
| Family year | 1911 |
| First filing? | B64C2700/6281 |
| Cites these patents | 1 |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 47562423 |
| Number of diagram pages | 43973536 |
| Number of figures | 2 |
| Number of claims | 4 |
Sources
- Patent 1052986 document and bibliographic info on espacenet
- Patent 1052986 at google patents helicopter with double propellers; each with four segmented blades inclined downwardly from front to rear, and closing together upon sudden descent
Inventor location (imputed by HistPat): Helena, Alabama, Jefferson county, AL (FIPSloc=1073)
