Patent US-1919-1291989
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Year filed | 1918 |
---|---|
Year granted | 1919 |
Office | US |
Patent number | 1291989 |
Inventors | Ludwig Marschall |
Inventor country | US |
Applicant person | Ludwig Marschall |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | |
English title | |
Tech fields | |
Filing date | 1918-04-05 |
Full specification filed date | |
Application number | 22687018 |
Grant date | 1919-01-21 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | |
IPCs | |
CPCs | CPC B64C13/00 |
Family year | 1918 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 47979258 |
INPADOC family ID | 44449581 |
Number of text pages | |
Number of diagram pages | |
Number of figures | |
Number of claims |
Sources
- Patent 1291989 document and bibliographic info on espacenet
- Patent 1291989 at google patents
Inventor location (imputed from HistPat): New York county, NY (FIPSloc=36061)