Patent DE-1917-311050
Revision as of 16:29, 28 December 2024 by AvionHerbert (talk | contribs) (Text replacement - "|Tech field=" to "|Tech fields=")
Some figures missing from DPMA scan.
- Inventor location: München-Neuhausen, Romanstraße 5a, this address in München/Munich coming from Patent GB-1913-11477
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
In keeping with our observations on patent dates we are taking the "Patentiert im Deutschen Reiche vom 6. Dezember 1917 ab." as referring to the day after the filing date of this patent in Germany.
Year filed | 1917 |
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Year granted | 1918 |
Office | DE |
Patent number | 311050 |
Inventors | Jakob Kreitmayer |
Inventor country | DE |
Inventor location | Munich, München-Neuhausen |
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 | 1917-12-05 |
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 |