Patent GB-1911-27021

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Propeller hub allowing some freedom of movement for the blades.

Derives from a French patent with date of application 1911-10-25. Id est Patent FR-1911-435639. [Side note: Can we cause "edit with form" to use the standard numbers with dashes? Doing so would simplify searches for dates.]

Applicant location: 17, rue de la République, Douai, départment Nord, France

Sources


Year filed 1911
Year granted 1912
Office GB
Patent number 27021
Inventors
Inventor country FR
Applicant person
Applicant firm Ateliers d'aviation Louis Bréguet
Applicant type COMPANY
Applicant is inventor? No
Original title Improvements in Screw Propellers for use in Apparatus for Aërial Navigation
English title Screw Propellers for Aerial Navigation
Tech fields stability, propellers
Filing date 1911/12/02
Full specification filed date
Application number 191127021D
Grant date 1912/05/16
Granted? Yes
Publication date
Supplementary to patent Patent FR-1911-435639
Related to aircraft? Yes
Serial number
Patent agent Johnsons & Willcox
Assigned to
National tech categories
IPCs IPC B64C11/00
CPCs CPC B64C11/008
Family year 1911
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 23625477
INPADOC family ID 11114917
Number of text pages 2
Number of diagram pages 2
Number of figures 5
Number of claims 3