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


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