Patent GB-1915-102154

• Inventor location: Bigourdan of Boulevard du Nord, Maisse, France, Tax collector ; Lacoin of No 8, rue Francois Millet, Paris ; Engineer
• Parent patent dated Nov 6 1915.

Patent family descending from Patent FR-1915-502520

• Patent FR-1915-502520 (English title: Improvements in Flying Machines with Revolving Wings, National tech categories: FR 6.4)
• Patent GB-1915-102154 (English title: Improvements in Flying Machines with Revolving Wings, Supplementary to patent: Patent FR-1915-502520)
• Patent FR-1916-502520.22245 (English title: Rotary wing aircraft, Supplementary to patent: Patent FR-1915-502520, National tech categories: FR 6.4)
• Patent US-1917-1350982 (English title: Flying-machine with revolving wings, Supplementary to patent: Patent FR-1915-502520, National tech categories: USPC 416/115 • USPC 416/159 • USPC 416/130)

Sources

• Original patent document and bibliography entry on espacenet

Year filed	1915
Year granted	1916
Office	GB
Patent number	102154
Inventors	Alexis Beurrier, Edouard Bigourdan, Louis Lacoin
Inventor country	FR, FR, FR
Applicant person	Alexis Beurrier, Edouard Bigourdan, Louis Lacoin
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	Improvements in Flying Machines with Revolving Wings
English title	Improvements in Flying Machines with Revolving Wings
Tech fields
Filing date	1916-11-06
Full specification filed date
Application number	1588116
Grant date	1918-07-11
Granted?	1
Publication date
Supplementary to patent	Patent FR-1915-502520
Related to aircraft?	1
Serial number
Patent agent	Marks & Clerk
Assigned to
National tech categories
IPCs	IPC B64C27/04
CPCs	CPC B64C27/04, CPC B64C2700/6281
Family year	1915
First filing?	0
Cites these patents
Citations from after 1930
Application ID	21773178
INPADOC family ID	548139
Number of text pages	3
Number of diagram pages	2
Number of figures	7
Number of claims	2