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Patents > IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C39/00 & First filing: Yes

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Office:
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Tech fields:
LTA (235) · airplane (119) · propulsion (92) · frame (92) · None (75) · design (71) · navigation (71) · Stability (55) · balloon (53) · wings (45) · Construction (40) · airship (39) · landing (38) · hybrid (34) · control (31) · wheels (31) · Propellers (30) · dirigible (28) · propeller (28) · whole (27)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (565) · Patent FR-1913-472867 (3) · Patent FR-1916-502839 (2) · Patent FR-1914-472867.19895 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent US-1913-1087946 (2)
Related to aircraft:
Patent agent:
None (184) · None (29) · Armengaud jeune (19) · Marks & Clerk (17) · Munn & Co. (16) · Borame et Julien (13) · Haseltine, Lake & Co. (11) · Weismann et Marx (9) · Boult, Wade & Tennant (8) · E. Blétry (7) · J. Germain (7) · Chassevent (7) · Dupont et Elluin (7) · Lavoix et Mosès (7) · C. Blétry (6) · Charles Dony (6) · Brandon frères (6)
National tech categories:
FR 6.4 (235) · None (158) · USPC 244/30 (32) · FR 6.3 (23) · USPC 244/26 (16) · USPC 244/45R (14) · USPC 244/25 (13) · USPC 244/13 (10) · DE 77h.2 (8) · USPC 244/29 (7) · USPC 244/125 (7) · USPC 244/67 (7) · USPC 244/97 (7) · USPC 244/32 (6) · USPC 244/127 (6) · USPC 244/100R (6)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (235) · CPC B64C2700/6295 (178) · CPC B64C39/00 (163) · CPC B64F2700/6226 (45) · CPC B64C39/005 (42) · CPC B64C25/06 (39) · CPC B64C39/08 (35) · CPC B64C25/62 (25) · CPC B64C39/008 (19) · CPC B64B1/40 (18) · CPC B64C25/52 (17) · CPC B64C25/64 (14) · CPC B64C25/54 (11) · CPC B64B1/58 (8) · None (8) · CPC B64C39/003 (7) · CPC B64C39/006 (7) · CPC B64C25/60 (7) · CPC Y10T24/3747 (5)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

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