Patent US-1909-1024102

• Tech class CPC B64F1/06: Launching or towing gear using catapults
• Inventor location: Moscow, "subject of the Emperor of Russia"
• Witnesses as shown on the final text page: Boris Maitaff and Gustave E. Hartwig; that this Hartwig is the author G. Hartwig would be a stretch, chronologically speaking, any connection being unknown.

Sources

• Patent 1024102 document and bibliographic info on espacenet
• Patent 1024102 at google patents

Patent family descending from Patent AT-1909-49294

• Patent AT-1909-49294 (English title: Device for flying machines, National tech categories: AT 77d)
• Patent GB-1909-18829 (English title: Improvements in Aeroplanes, Supplementary to patent: Patent AT-1909-49294)
• Patent FR-1909-406180 (English title: Aeroplane system, Supplementary to patent: Patent AT-1909-49294, National tech categories: FR 6.4)
• Patent US-1909-1024102 (English title: Flying-machine, Supplementary to patent: Patent AT-1909-49294, National tech categories: USPC 244/110E • USPC 244/63)

Year filed	1909
Year granted	1912
Office	US
Patent number	1024102
Inventors	Alexis Rogestvensky
Inventor country	RU
Applicant person	Alexis Rogestvensky
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	Flying-machine
English title	Flying-machine
Tech fields	landing, takeoff, platform, elasticity, grooves, launching, HTA
Filing date	1909-09-02
Full specification filed date
Application number
Grant date	1912-04-23
Granted?	1
Publication date
Supplementary to patent	Patent AT-1909-49294
Related to aircraft?	1
Serial number	515840
Patent agent	Lucy Othj? Lewy Orthje?
Assigned to
National tech categories	USPC 244/110E, USPC 244/63
IPCs	IPC B64F1/06, IPC B64F1/00
CPCs	CPC B64F1/06
Family year	1909
First filing?	1
Cites these patents
Citations from after 1930	1
Application ID
INPADOC family ID
Number of text pages	2
Number of diagram pages	5
Number of figures	5
Number of claims	2