Patent GB-1912-884
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An apparently simple device in which a fluid indicates the horizontal on a dial.
- Tech classifications: CPC B64C3/42 Adjusting about chordwise axes
- Inventor location: 511 1/2 Nun Street, Wilmington, Hanover county, North Carolina, US
- Inventor occupation: Engineer
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Neilson, 1910, Aeroplane Patents, p79
Year filed | 1911 |
---|---|
Year granted | 1912 |
Office | GB |
Patent number | 884 |
Inventors | David Palmgren |
Inventor country | US |
Applicant person | David Palmgren |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | An Improved Device for Indicating the Deviation of an Aerial Machine during Flight |
English title | Device indicating the horizontal lean of an aerial machine during flight |
Tech fields | instrument |
Filing date | January 4, 1911 |
Full specification filed date | |
Application number | 191100210D |
Grant date | February 5, 1912 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | Marks & Clerk |
Assigned to | |
National tech categories | |
IPCs | IPC G01C9/20 |
CPCs | CPC G01C9/20, CPC B64C3/42 |
Family year | 1911 |
First filing? | Yes |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 1 |
Number of claims | 4 |