Patent GB-1913-20159

• Inventor location: 162 North May Street, Chicago, Cook county, Illinois, USA
• Dated by inventor on Sept 5; recorded as filed on Sept 6
• Does not refer to the american patent, which had not yet been granted, but it has mainly identical diagrams.

Patent family descending from Patent US-1913-1203221

• Patent US-1913-1203221 (English title: Stabilizer, National tech categories: USPC 244/177)
• Patent FR-1913-468190 (English title: Improvements to airplane stabilizers, Supplementary to patent: Patent US-1913-1203221, National tech categories: FR 6.4)
• Patent GB-1913-20159 (English title: Improvements in Stabilizers for Aerial Machines, Supplementary to patent: Patent US-1913-1203221)
• Patent CH-1917-94354 (English title: Stabilizer for aircraft, Supplementary to patent: Patent US-1913-1203221, National tech categories: CH 129b)

Sources

• Original patent document and bibliography entry on espacenet

Year filed	1913
Year granted	1913
Office	GB
Patent number	20159
Inventors	Alfred John Macy
Inventor country	US
Applicant person	Alfred John Macy
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	Improvements in Stabilizers for Aerial Machines
English title	Improvements in Stabilizers for Aerial Machines
Tech fields
Filing date	1913-09-06
Full specification filed date
Application number	191320159D
Grant date	1914-03-26
Granted?	1
Publication date
Supplementary to patent	Patent US-1913-1203221
Related to aircraft?	1
Serial number
Patent agent	Lewis Wm. Goold
Assigned to
National tech categories
IPCs	IPC B64C1/00, IPC B64C17/00
CPCs	CPC B64C2700/6218, CPC B64C17/00
Family year	1913
First filing?	0
Cites these patents
Citations from after 1930
Application ID	23656437
INPADOC family ID	11141468
Number of text pages	8
Number of diagram pages	5
Number of figures	21
Number of claims	10