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Patents > Office : GB or MX & Supplementary to patent : Patent NO-1915-12-15 Carl Alfred Johansson or None & Number of text pages: 2

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Tech fields:
None (59) · airplane (46) · LTA (44) · frame (32) · stability (25) · propulsion (25) · construction (24) · propellers (22) · wings (20) · balloon (20) · control (19) · navigation (17) · subsystem (16) · design (15) · propeller (14) · airship (11) · rudder (11) · steering (11)
Application number:
None (83)
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Patent agent:
None (40) · Marks & Clerk (31) · None (15) · Haseltine, Lake & Co. (13) · Boult, Wade & Tennant (13) · Herbert Haddan & Co. (11) · Brewer & Son (10) · Mewburn, Ellis & Pryor (9) · W. P. Thompson & Co. (9) · G. F. Redfern & Co. (6) · Jensen & Son (5) · Wheatley & Mackenzie (5) · Abel & Imray (5) · A. M. & William Clark (5) · Hyde & Heide (4) · Chatwin, Herschell & Co. (4) · Brierley & Howard (4) · Edward Evans & Co. (4)
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IPCs:
None (74) · IPC B64C39/00 (19) · IPC B64C3/00 (18) · IPC B64C13/00 (17) · IPC B64C35/00 (16) · IPC B64B1/00 (13) · IPC B64C17/00 (12) · IPC B64C1/00 (12) · IPC B64C3/18 (11) · IPC B64C11/00 (9) · IPC B64C3/38 (8) · IPC B64C25/00 (6) · IPC B64C1/06 (6) · IPC B62C5/04 (6) · IPC B64B1/58 (6) · IPC B64C3/56 (5) · IPC B64C11/04 (5) · IPC B64C5/04 (5) · IPC B64C33/02 (4)
CPCs:
None (57) · CPC B64C13/00 (20) · CPC B64C3/00 (19) · CPC B64C2700/6256 (18) · CPC B64C2700/6295 (18) · CPC B64B1/00 (17) · CPC B64C39/00 (14) · CPC B64C17/00 (13) · CPC B64C35/00 (12) · CPC B64C2700/6235 (11) · CPC B64B1/58 (9) · CPC B64C3/385 (8) · CPC B64C2700/6212 (7) · CPC B64C3/18 (7) · CPC B64C11/006 (7) · CPC B62C5/04 (7) · CPC B64C1/065 (6) · CPC B64C11/04 (6) · CPC B64C25/62 (6)
First filing:
Citations from after 1930:
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