Patent GB-1918-122164
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- Inventor location: "Recently of Batavia Java, now residing at No. 2405, West 6th Street," Los Angeles, California; Physician; Subject of the Queen of the Netherlands" -- interesting!
Patent family descending from Patent US-1918-1435190
- Patent US-1918-1435190 (English title: Direct-ascent flying machine, National tech categories: USPC 244/17.15)
- Patent GB-1918-122164 (English title: Improvements in and relating to Air-craft of the Helicopter Type, Supplementary to patent: Patent US-1918-1435190)
Sources
- Original patent document and bibliography entry on espacenet
| Year filed | 1918 |
|---|---|
| Year granted | 1920 |
| Office | GB |
| Patent number | 122164 |
| Inventors | Pieter Barteld Van Leggelo |
| Inventor country | US, NL, Java |
| Inventor location | |
| Applicant person | Pieter Barteld Van Leggelo |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvements in and relating to Air-craft of the Helicopter Type |
| English title | Improvements in and relating to Air-craft of the Helicopter Type |
| Tech fields | helicopter |
| Filing date | 1918-04-03 |
| Full specification filed date | |
| Application number | 5664/18 |
| Grant date | 1920-09-09 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent US-1918-1435190 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | W. P. Thompson & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C27/28 |
| CPCs | CPC B64C27/28, CPC B64C2700/629 |
| Family year | 1918 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 21139799 |
| INPADOC family ID | 10898303 |
| Number of text pages | 4 |
| Number of diagram pages | 3 |
| Number of figures | 14 |
| Number of claims | 3 |
