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Patents > Family year: 1909 & Citations from after 1930: None & Number of claims: 2-5

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Year granted:
Office:
Inventor country:
Inventor location:
None (344) · Paris (5) · Seine (4) · Seine-et-Oise (4) · Budapest (3) · Nord (2) · Douai (2)
Applicant is inventor:
Tech fields:
airplane (144) · Design (88) · Frame (82) · stability (75) · Construction (56) · propellers (53) · LTA (52) · propulsion (50) · control (48) · wings (41) · subsystem (40) · Whole (35) · navigation (33) · lift (30) · None (28) · Rudder (27) · propeller (25) · Aerodynamics (23) · Airship (23) · automatic stability (21)
Full specification filed date:
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Supplementary to patent:
None (236) · Patent FR-1909-403985 (5) · Patent FR-1909-410140 (5) · Patent US-1909-970771 (5) · Patent GB-1909-2111 (4) · Patent DE-1909-226609 (3) · Patent FR-1909-408057 (3) · Patent DE-1909-02-25 Hugo Erdmann (3)
Related to aircraft:
Patent agent:
None (108) · Armengaud jeune (28) · Marks & Clerk (17) · Boult, Wade & Tennant (13) · Schwab (9) · Herbert Haddan & Co. (8) · Charles Dony (7) · Abel & Imray (7) · E. Blétry (7) · Haseltine, Lake & Co. (6) · Hippolyte Josse (5) · None (5) · Boramé et Julien (5) · Johnsons & Willcox (5) · Lavoix et Mosès (5) · G. de Mestral et F. Harlé (4) · Chassevent (4) · G. F. Redfern & Co. (4) · L. Chassevent (4)
National tech categories:
None (146) · FR 6.4 (110) · HU V/h (27) · AT 77d (10) · FR 5.3 (4) · DK 77 (3) · DE 77h.11 (3) · FR 6.2 (3) · DE 77h.9 (3) · USPC 244/17.15 (3) · DE 77h.5 (2) · RU Group V (2) · USPC 244/64 (2) · USPC 244/6 (2) · USPC 244/93 (2) · USPC 244/48 (2) · USPC 244/72 (2) · USPC 244/17.21 (2) · DE 77h.4 (2) · CH 129b (2)
IPCs:
None (108) · IPC B64C39/00 (36) · IPC B64C17/00 (29) · IPC B64C1/00 (23) · IPC B64B1/00 (15) · IPC B64C3/38 (13) · IPC B64C23/00 (11) · IPC B64C13/00 (10) · IPC B64C35/00 (10) · IPC B64C11/00 (9) · IPC B64B1/62 (8) · IPC B64B1/58 (8) · IPC B64C33/02 (6) · IPC B64C27/04 (6) · IPC B64C33/00 (5) · IPC B64C25/00 (5) · IPC B63H1/12 (4) · IPC B64C3/00 (4) · IPC B64C3/56 (4)
CPCs:
None (66) · CPC B64C17/00 (32) · CPC B64C39/00 (25) · CPC B64C2700/6295 (20) · CPC B64C23/005 (18) · CPC B64C13/00 (16) · CPC B64B1/00 (14) · CPC B64C2700/6218 (13) · CPC B64C3/385 (12) · CPC B64C33/02 (11) · CPC B64C35/00 (10) · CPC B64C11/006 (9) · CPC B64B1/58 (9) · CPC B64C2700/6212 (8) · CPC B64B1/62 (8) · CPC B64C2700/6256 (7) · CPC B64C2700/6274 (7) · CPC B64B1/40 (7) · CPC B64C27/04 (6)
Family year:
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Citations from after 1930:
Number of text pages:
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