Difference between revisions of "Patent DE-1917-311050"
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|Inventors=Jakob Kreitmayer | |Inventors=Jakob Kreitmayer | ||
|Inventor country=DE | |Inventor country=DE | ||
| − | |Applicant person= | + | |Applicant person=Jakob Kreitmayer |
|Applicant firm= | |Applicant firm= | ||
|Applicant type=INDIV | |Applicant type=INDIV | ||
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|IPCs=IPC B64C11/16; IPC B64C27/46 | |IPCs=IPC B64C11/16; IPC B64C27/46 | ||
|CPCs=CPC B64C11/24 | |CPCs=CPC B64C11/24 | ||
| − | |Family year= | + | |Family year=1917 |
|First filing=1 | |First filing=1 | ||
|Cites these patents= | |Cites these patents= | ||
Latest revision as of 23:19, 13 March 2024
Some figures missing from DPMA scan.
- Inventor location: München-Neuhausen, Romanstraße 5a
Sources
- Zeitschrift für Flugtechnik und Motorluftschiffahrt vol. 10 (1919) issue 1–2 (25 January), p. 15
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1917 |
|---|---|
| Year granted | 1918 |
| Office | DE |
| Patent number | 311050 |
| Inventors | Jakob Kreitmayer |
| Inventor country | DE |
| Applicant person | Jakob Kreitmayer |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Hohle Metall-Luftschraube |
| English title | Hollow metal aircraft propeller |
| Tech fields | metal, propeller |
| Filing date | 1917-12-06 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | 1919-02-24 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77h.6 |
| IPCs | IPC B64C11/16, IPC B64C27/46 |
| CPCs | CPC B64C11/24 |
| Family year | 1917 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | |
| Number of figures | 10 |
| Number of claims |
