Patent US-1912-1047584

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A speedometer. (Generic title notwithstanding this invention is intended for use by airplanes at sea; one might guess at a naval affiliation of the inventor.) This system uses two telescopes at an angle; the operator measures the time it takes for an object to pass between one sight and the next. Stanworth provides a table of times and altitudes from which horizontal velocity could be roughly calculated.

  • Inventor location: Norfolk, Virginia

[Attorney looks like Munn & Co. but is a little harder to decipher than other instances of the same signature.]

Sources


Year filed 1912
Year granted 1912
Office US
Patent number 1047584
Inventors Charles Semmes Stanworth
Inventor country US
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Speed-finder for Moving Bodies
English title Speed-finder for Moving Bodies
Tech fields speedometer, navigation, airplane, marine, subsystem, method
Filing date 1912-05-08
Full specification filed date
Application number
Grant date 1912-12-17
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories UPSC 356/27, USPC 33/232
IPCs IPC G01P3/36
CPCs CPC G01P3/36
Family year
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 1
Number of diagram pages 3
Number of figures 3
Number of claims 11