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Patents > IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C39/00 & Number of figures: 1-3

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Tech fields:
LTA (122) · airplane (70) · frame (55) · Design (51) · propulsion (44) · balloon (40) · construction (38) · None (29) · stability (29) · landing (29) · airship (29) · navigation (27) · dirigible (22) · Hybrid (19) · chassis (18) · Propellers (17) · wheels (17) · whole (14) · Lift (13) · wings (13)
Full specification filed date:
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Supplementary to patent:
None (218) · Patent IT-1913- (2) · Patent FR-1913-461629 (2) · Patent FR-1912-441089 (2) · Patent FR-1902-326476 (2) · Patent FR-1911-419438 (2) · Patent CH-1909-48028 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1916-502839 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1908-394418 (2) · Patent US-1911-994106 (2) · Patent NO-1891-2589 (2) · Patent US-1908-927605 (2)
Related to aircraft:
Patent agent:
None (75) · None (15) · Armengaud jeune (12) · Marks & Clerk (9) · Hippolyte Josse (7) · Y. Rabilloud et fils (6) · Chassevent (6) · Munn & Co. (6) · Dupont et Elluin (6) · E. Blétry (6) · Boramé et Julien (5) · Boult, Wade & Tennant (5) · J. Germain (5) · G. de Mestral et F. Harlé (4) · Lavoix et Mosès (4) · Weismann et Marx (4) · Charles Dony (4) · J. Bonnet-Thirion (4) · Haseltine, Lake & Co. (4)
National tech categories:
FR 6.4 (160) · None (67) · FR 6.3 (25) · DE 77h.2 (8) · USPC 244/30 (7) · DE 77h.5 (5) · DE 77 (4) · FR 6.2 (3) · USPC 244/13 (3) · USPC 244/97 (3) · DE 77h.9 (3) · USPC 244/45R (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (114) · CPC B64C2700/6295 (94) · CPC B64C39/00 (94) · CPC B64C25/06 (28) · CPC B64C25/62 (21) · CPC B64F2700/6226 (21) · CPC B64C39/005 (18) · CPC B64C39/08 (14) · CPC B64C25/64 (10) · CPC B64B1/40 (10) · CPC B64C25/52 (9) · CPC B64C25/54 (8) · CPC B64C39/008 (6) · None (5) · CPC B64B1/58 (5) · CPC B64B1/005 (5) · CPC B64C39/003 (4) · CPC B64C39/062 (3) · CPC B64F2700/6219 (3) · CPC B64C25/62 B64F2700/6226 (3)
First filing:
Citations from after 1930:
Number of text pages:
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