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Patents > Filing date: 1909 & IPCs : IPC B64C39/00 or None

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Tech fields:
None (301) · airplane (201) · frame (141) · propulsion (100) · LTA (98) · propeller (94) · stability (93) · design (90) · navigation (81) · propellers (65) · rudder (64) · whole (44) · Construction (43) · lift (38) · wheels (37) · hybrid (34) · control (33) · balloon (33) · Wings (33) · marine (32)
Full specification filed date:
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Supplementary to patent:
None (642) · Patent GB-1908-4519 (11) · Patent BE-1909-214032 (7) · Patent US-1909-970771 (6) · Patent GB-1909-2111 (6) · Patent US-1908-927605 (5) · Patent US-1909-1010443 (5) · Patent DE-1909-232158 (4) · Patent AU-1909-15563 (4) · Patent US-1908-1081147 (3) · Patent DE-1908-221549 (3) · Patent DE-1908-227242 (3) · Patent FR-1909-395148 (3) · Patent GB-1908-13809 (3)
Related to aircraft:
Patent agent:
None (530) · Armengaud jeune (14) · Munn & Co. (12) · None (11) · A. Wunderlich & Cie, Ingénieurs-Conseils (7) · Marks & Clerk (7) · E. Blum & Co. (7) · Michael J. Stark & Sons (4)
National tech categories:
None (335) · FR 6.4 (70) · HU V/h (41) · AT 77d (23) · IT 8 (14) · RU Group V (12) · BE K (12) · USPC 244/80 (8) · USPC 244/45R (8) · USPC 244/66 (7) · USPC 244/93 (7) · USPC 244/13 (7) · DE 77h.15 (6) · CH 129b (6) · CH 129a (6) · USPC 244/87 (6) · USPC 244/48 (6) · USPC 244/20 (6) · USPC 244/22 (6) · AU 90.3 (6)
IPCs: (Click arrow to add another value)
CPCs:
None (278) · CPC B64C2700/6295 (107) · CPC B64C39/00 (96) · CPC B64C39/005 (27) · CPC B64C23/005 (25) · CPC B64C3/385 (24) · CPC B64B1/00 (23) · CPC B64C33/02 (22) · CPC B64C11/006 (20) · CPC B64C13/00 (19) · CPC B64C39/08 (15) · CPC B64C17/00 (15) · CPC B64B1/58 (12) · CPC B64C33/00 (11) · CPC B64C2700/6274 (10) · CPC B64C11/36 (8) · CPC B64C39/008 (7) · CPC A63H27/08 (7)
First filing:
Citations from after 1930:

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