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Patents > Applicant firm: None & Grant date: 1919 & Number of text pages: 2-4

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Year granted:
Office:
Inventor country:
Inventor location:
None (274) · London (5) · Seine (4) · England (3) · Budapest (3) · Los Angeles (2) · Manchester (2) · New York county (2) · Ontario (2)
Applicant firm: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (78) · None (49) · construction (37) · frame (33) · Propellers (28) · control (26) · stability (24) · design (22) · wings (18) · propulsion (17) · subsystem (17) · fuselage (15) · structure (14) · military (14) · LTA (13) · metal (11) · instrument (8)
Full specification filed date:
Application number:
None (69) · 1732817 (3) · 496388D (2) · 494571D (2)
Granted:
Publication date:
Supplementary to patent:
None (236) · Patent US-1917-1283607 (2) · Patent FR-1917-494365 (2) · Patent FR-1916-502839 (2) · Patent SE-1917-46288 (2) · Patent GB-1915-15085 (2)
Related to aircraft:
Patent agent:
None (53) · None (23) · Lavoix et Mosès (17) · Marks & Clerk (12) · Boult, Wade & Tennant (9) · J. Germain (8) · Herbert Haddan & Co. (8) · Paul Blum (8) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (8) · Abel & Imray (7) · Haseltine, Lake & Co. (6) · Brewer & Son (6) · Mewburn, Ellis & Pryor (5) · Brandon frères (5) · J. Bonnet-Thirion et Breton (4) · G. F. Redfern & Co. (4) · A. M. & William Clark (4)
Assigned to:
National tech categories:
None (168) · FR 6.4 (91) · AT 77d (14) · HU V/h (10) · AU 90.5 (3) · FR 12.3 (2) · FR 5.8 (2) · NL 62.15 (2) · NL 62 (2) · DE 77h.5 (2) · CH 129b (2)
IPCs:
None (81) · IPC B64C3/00 (24) · IPC B64C3/18 (18) · IPC B64C39/00 (16) · IPC B64C35/00 (12) · IPC B64C1/00 (11) · IPC B64C17/00 (11) · IPC B64C23/00 (11) · IPC B64C1/06 (10) · IPC B64C13/00 (9) · IPC B64B1/00 (8) · IPC B64C11/04 (7) · IPC B64C3/38 (6) · IPC B64C11/36 (5) · IPC B64C27/04 (4) · IPC B64C33/02 (4) · IPC B64C11/00 (4)
CPCs:
None (37) · CPC B64C3/00 (24) · CPC B64C23/005 (14) · CPC B64C2700/6235 (13) · CPC B64C13/00 (13) · CPC B64C17/00 (13) · CPC B64C35/00 (12) · CPC B64C3/185 (11) · CPC B64C1/065 (10) · CPC B64C3/385 (10) · CPC B64C2700/6295 (10) · CPC B64B1/00 (9) · CPC B64C2700/6256 (9) · CPC B64C2700/6274 (8) · CPC B64C39/00 (8) · CPC B64C11/04 (7) · CPC B64C2700/6233 (7) · CPC B64C3/18 (6) · CPC B64C39/005 (6)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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