Patent FR-1918-516465

From Inventing aviation
Jump to navigation Jump to search
  • Name written "Frederic" on the original, but he has many patents with "Frederick" including the parent of this patent.
  • Tech class CPC B64C11/04 Blade mountings
  • Inventor location:

Patent family descending from Patent GB-1917-128301

Sources


Year filed 1918
Year granted 1920
Office FR
Patent number 516465
Inventors Frederick Arthur Ellis Jr.
Inventor country GB
Applicant person Frederick Arthur Ellis Jr.
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements aux hélices pour machines aéronautiques et machines similaires
English title Improvements to propellers for aeronautical machines and similar machines
Tech fields aerial propellers
Filing date 1918-10-22
Full specification filed date
Application number 516465D
Grant date 1920-12-06
Granted? 1
Publication date 1921-04-19
Supplementary to patent Patent GB-1917-128301
Related to aircraft? 1
Serial number
Patent agent E. Vattier
Assigned to
National tech categories FR 6.4
IPCs
CPCs CPC B64C11/04
Family year 1917
First filing? 1
Cites these patents
Citations from after 1930
Application ID 19333120
INPADOC family ID 10310878
Number of text pages 4
Number of diagram pages 1
Number of figures 11
Number of claims 1