Patent FR-1912-442488

This patent makes reference to a Belgian filing priority date 1911-04-14.

Sources

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

Patent family descending from Patent FR-1912-442488

• Patent FR-1912-442488 (English title: Mode of establishment of airfoils for airplanes, Supplementary to patent: Patent BE-1911-04-14 Lucien-Constant-Joseph Harel, National tech categories: FR 6.4)
• Patent FR-1913-442488.17528 (English title: Method of establishing lifting surfaces for airplanes, Supplementary to patent: Patent FR-1912-442488 • Patent BE-1911-04-14 Lucien-Constant-Joseph Harel, National tech categories: FR 6.4)

Year filed	1912
Year granted	1912
Office	FR
Patent number	442488
Inventors	Lucien-Constant-Joseph Harel
Inventor country	FR
Applicant person	Lucien-Constant-Joseph Harel
Applicant firm
Applicant type	INDIV
Applicant is inventor?	Yes
Original title	Mode d'établissement des surfaces portantes pour aéroplanes
English title	Mode of establishment of airfoils for airplanes
Tech fields	airfoil, airplane, wings, frame, lift, sustentation, design, cables, fabric, longerons
Filing date	1912/04/12
Full specification filed date
Application number	442488D
Grant date	1912/06/21
Granted?	Yes
Publication date	1912/09/02
Supplementary to patent	Patent BE-1911-04-14 Lucien-Constant-Joseph Harel
Related to aircraft?	Yes
Serial number
Patent agent	G. de Mestral et F. Harlé
Assigned to
National tech categories	FR 6.4
IPCs	IPC B64C3/00
CPCs	CPC B64C2700/6235, CPC B64C3/00
Family year	1911
First filing?	Yes
Cites these patents
Citations from after 1930
Application ID	19260915
INPADOC family ID	5331259
Number of text pages	2
Number of diagram pages	1
Number of figures	3
Number of claims	1