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Patents > IPCs : IPC B64B1/00 or IPC B64C1/00 or IPC B64C13/00 or IPC B64C25/00 or IPC B64C39/00 & Number of text pages: 4-30

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Tech fields:
airplane (157) · stability (128) · design (64) · LTA (58) · automatic stability (55) · None (53) · Frame (52) · control (46) · wings (45) · construction (41) · propellers (34) · aerodynamics (33) · lift (30) · propulsion (30) · navigation (27) · landing (21) · gyroscope (19) · rudder (18) · wheels (17)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (260) · Patent US-1916-1208684 (3) · Patent US-1913-1087946 (2) · Patent FR-1883- (2) · Patent IT-1908-98601 (2) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent BE-1910-230887 (2) · Patent US-1911-1015150 (2) · Patent HU-1913-Pédery-Varsányi-Zoltán (2) · Patent US-1914-1368226 (2) · Patent US-1916-1179978 (2)
Related to aircraft:
Patent agent:
None (50) · None (22) · Marks & Clerk (17) · Armengaud jeune (13) · Dupont et Elluin (9) · Haseltine, Lake & Co. (8) · Brandon frères (8) · Weismann et Marx (7) · Boult, Wade & Tennant (6) · G. Petiau (6) · Lavoix et Mosès (6) · Munn & Co. (6) · H. D. Fitzpatrick & Co. (6) · Brewer & Son (5) · E. Blétry (5) · Dom. Casalonga (5) · Boramé et Julien (5)
National tech categories:
FR 6.4 (187) · None (142) · USPC 244/30 (8) · FR 6.3 (8) · USPC 244/25 (4) · USPC 244/45R (4) · USPC 244/234 (3) · USPC 244/47 (3) · USPC 244/26 (2) · USPC 244/19 (2) · USPC 244/13 (2) · USPC 244/79 (2) · USPC 244/82 (2) · USPC 244/97 (2) · USPC 244/233 (2) · FR 5.3 (2) · FR 6.1 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (93) · CPC B64C39/00 (77) · CPC B64C2700/6218 (74) · CPC B64C2700/6295 (67) · CPC B64B1/00 (62) · CPC B64C13/00 (31) · CPC B64C17/06 (29) · CPC B64C2700/6256 (20) · CPC B64C39/005 (19) · CPC B64C2700/6216 (19) · CPC B64C39/08 (14) · CPC B64C1/00 (14) · CPC B64C39/003 (9) · CPC B64C39/008 (8) · CPC B64C25/06 (7) · CPC B64F2700/6226 (6) · CPC B64C2001/0063 (6) · CPC B64C25/62 (5) · CPC B64C25/64 (5) · CPC B64C2700/6219 (4)
First filing:
Citations from after 1930:
Number of text pages:
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