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Patents > Filing date: 1909 & IPCs : IPC B64C25/00 or None

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Tech fields:
None (280) · airplane (164) · frame (130) · LTA (98) · propulsion (90) · propeller (88) · stability (82) · navigation (77) · Design (62) · rudder (60) · propellers (52) · wheels (36) · whole (36) · Construction (33) · balloon (33) · Hybrid (31) · lift (29) · Airship (28) · subsystem (27) · car (27)
Full specification filed date:
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Supplementary to patent:
None (588) · Patent GB-1908-4519 (9) · Patent BE-1909-214032 (7) · Patent US-1909-970771 (6) · Patent GB-1909-2111 (6) · Patent US-1909-1010443 (4) · Patent DE-1909-232158 (4) · Patent AU-1909-15563‎ (4) · Patent DE-1908-227242 (3) · Patent DE-1908-221549 (3) · Patent US-1908-1081147 (3) · Patent US-1908-927605 (3) · Patent GB-1908-13809 (3)
Related to aircraft:
Patent agent:
None (510) · Munn & Co. (13) · E. Blum & Co. (7) · Marks & Clerk (7) · A. Wunderlich & Cie, Ingénieurs-Conseils (7) · Armengaud jeune (4) · Boult, Wade & Tennant (4) · Michael J. Stark & Sons (4) · None (4) · Henry Hughes (3) · Frank T. Wentworth (3) · Victor J. Evans (3) · Charles Dony (3) · Watson E. Coleman (3) · James L. Norris (3)
National tech categories:
None (313) · HU V/h (41) · AT 77d (23) · FR 6.4 (23) · IT 8 (14) · BE K (12) · RU Group V (12) · USPC 244/80 (8) · USPC 244/66 (7) · USPC 244/93 (7) · USPC 244/87 (6) · AU 90.3 (6) · USPC 244/22 (6) · CH 129b (6) · CH 129a (6) · DE 77h.15 (6)
IPCs: (Click arrow to add another value)
CPCs:
None (278) · CPC B64C2700/6295 (50) · CPC B64C39/00 (29) · CPC B64C23/005 (25) · CPC B64B1/00 (23) · CPC B64C3/385 (23) · CPC B64C33/02 (22) · CPC B64C11/006 (20) · CPC B64C13/00 (19) · CPC B64C39/005 (18) · CPC B64C17/00 (15) · CPC B64B1/58 (12) · CPC B64C33/00 (11) · CPC B64F2700/6226 (11) · CPC B64C25/62 (10) · CPC B64C2700/6274 (10) · CPC B64C39/08 (9) · CPC B64C11/36 (8) · CPC B64C25/06 (8) · CPC A63H27/08 (7)
First filing:
Citations from after 1930:

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