Patent FR-1910-421916

Patent FR-1911-421916 Diagram Sheet

This invention had been deposited with the Belgian office 14 October 1909, by Henry Chaigneau and Schindler, and granted to Henry Chaigneau 5 August 1910, all this according to Henry Chaigneau.

Sources

• Original patent document and bibliography entry on espacenet
• Inventor location: Seine; France

Upon close observation of the original, "ailes", that is, "wings", is pertinent, having to do with the context of the overall construction.

Patent family descending from Patent FR-1910-421916

• Patent FR-1910-421916 (English title: Reinforced hollow propeller blade, Supplementary to patent: Patent BE-1909-219837, Filing date: 1910-10-14, National tech categories: FR 6.4)
• Patent FR-1910-421916.13401 (English title: Solid propeller blade, Supplementary to patent: Patent FR-1910-421916 • Patent BE-1909-219837, Filing date: 1910-11-11, National tech categories: FR 6.4)

Year filed	1910
Year granted	1911
Office	FR
Patent number	421916
Inventors	Henry Chaigneau
Inventor country	FR
Inventor location
Applicant person	Henry Chaigneau
Applicant firm
Applicant type	INDIV
Applicant is inventor?	Yes
Original title	Hélice aérienne indéformable
English title	Reinforced hollow propeller blade
Tech fields	propellers, construction, wings, design
Filing date	October 14, 1910
Full specification filed date
Application number	421916D
Grant date	January 5, 1911
Granted?	Yes
Publication date	March 8, 1911
Supplementary to patent	Patent BE-1909-219837
Related to aircraft?	Yes
Serial number
Patent agent	L. Courtois
Assigned to
National tech categories	FR 6.4
IPCs	IPC B64C11/24
CPCs	CPC B64C11/24
Family year	1910
First filing?	No
Cites these patents
Citations from after 1930
Application ID	19240775
INPADOC family ID	5314129
Number of text pages	2
Number of diagram pages	3
Number of figures	7
Number of claims