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Patents > National tech categories : USPC 244/30 or USPC 244/90R or None & Number of claims: 2

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Tech fields:
Airplane (77) · None (61) · LTA (50) · frame (43) · stability (39) · Propulsion (36) · Design (33) · construction (33) · Propellers (30) · propeller (28) · subsystem (25) · wings (25) · control (22) · navigation (21) · military (16) · airship (16) · Aerodynamics (15)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (273) · Patent FR-1905-353709 (2) · Patent US-1913-1118124 (2) · Patent GB-1913-21688 (2) · Patent FR-1909-408197 (2)
Related to aircraft:
Patent agent:
None (65) · Marks & Clerk (30) · Herbert Haddan & Co. (19) · Haseltine, Lake & Co. (18) · Boult, Wade & Tennant (17) · None (8) · Jensen & Son (7) · Mewburn, Ellis & Pryor (7) · Wheatley & Mackenzie (7) · W. P. Thompson & Co. (6) · Munn & Co. (6) · Johnsons & Willcox (6) · Lloyd Wise & Co. (5) · Abel & Imray (5) · Brewer & Son (5) · Chatwin, Herschell & Co. (4) · Victor J. Evans (4) · Hy. Fairbrother (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (155) · IPC B64C17/00 (21) · IPC B64C1/00 (20) · IPC B64C13/00 (16) · IPC B64B1/00 (14) · IPC B64C39/00 (14) · IPC B64C3/00 (12) · IPC B64B1/58 (11) · IPC B64C27/04 (8) · IPC B64C3/38 (8) · IPC B64C35/00 (8) · IPC B64C3/56 (6) · IPC B64C11/00 (5) · IPC B62C5/04 (5) · IPC B64C17/06 (5) · IPC B63H1/12 (5) · IPC B64C3/54 (5)
CPCs:
None (53) · CPC B64B1/00 (24) · CPC B64C17/00 (23) · CPC B64C13/00 (21) · CPC B64C2700/6256 (17) · CPC B64C3/00 (14) · CPC B64C11/006 (13) · CPC B64C27/54 (11) · CPC B64B1/58 (11) · CPC B64C2700/6295 (11) · CPC B64C2700/6218 (11) · CPC B64C2700/6281 (9) · CPC B64C11/48 (8) · CPC B64C39/00 (8) · CPC B64C35/00 (8) · CPC B64C3/385 (7) · CPC B64C3/54 (7) · CPC B64C2700/6235 (7) · CPC B64C3/56 (7)
First filing:
Citations from after 1930:
Number of claims:
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