Patent US-1918-1309489

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Year filed 1918
Year granted 1919
Office US
Patent number 1309489
Inventors Lawrence Burst Sperry
Inventor country US
Applicant person Lawrence Burst Sperry
Applicant firm Sperry Gyroscope Company
Applicant type COMPANY + INDIV
Applicant is inventor? No
Original title Double-Gyro Inclinometer
English title Double-Gyro Inclinometer
Tech fields gyroscope, instrument
Filing date 1918/04/18
Full specification filed date
Application number
Grant date 1919/07/08
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft?
Serial number 229467
Patent agent Herbert H. Thompson
Assigned to Sperry Gyroscope Company
National tech categories
CPCs CPC G01C19/38, CPC Y10T74/1225
Family year 1918
First filing? No
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 5