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Patents > Grant date: 1911 & National tech categories : AU 90.3 or None

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Year granted:
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Supplementary to patent:
None (301) · Patent FR-1909-408197 (4) · Patent CA-1910-132036 (2) · Patent FR-1910-415470 (2)
Related to aircraft:
Patent agent:
None (182) · Boult, Wade & Tennant (13) · None (11) · Marks & Clerk (11) · Abel & Imray (10) · Haseltine, Lake & Co. (10) · Herbert Haddan & Co. (9) · Dicker, Pollak & Derriman (6) · Wheatley & Mackenzie (5) · Chatwin, Herschell & Co. (5) · G. F. Redfern & Co. (5) · J. S. Withers (5) · Munn & Co. (4) · Browne & Co. (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (190) · IPC B64C1/00 (34) · IPC B64C17/00 (32) · IPC B64C39/00 (28) · IPC B64C17/06 (10) · IPC B64C13/00 (9) · IPC B64C23/00 (9) · IPC B64C11/00 (9) · IPC B64B1/58 (7) · IPC B64C3/38 (7) · IPC B64C33/02 (5) · IPC B62C5/04 (4) · IPC B64C3/48 (4) · IPC B64C27/04 (4) · CPC B64C17/00 (4) · IPC B64C3/00 (4) · IPC B64C31/06 (4) · IPC B64C11/16 (4)
CPCs:
CPC B64C2700/6295 (47) · CPC B64C39/00 (47) · CPC B64C17/00 (46) · None (31) · CPC B64C2700/6218 (20) · CPC B64C13/00 (18) · CPC B64C11/006 (16) · CPC B64C2700/6256 (15) · CPC B64C23/005 (14) · CPC B64C17/06 (13) · CPC B64C2700/6216 (12) · CPC B64C2700/6274 (12) · CPC B64C3/385 (12) · CPC B64C11/00 (9) · CPC B64C2700/6212 (7) · CPC B64C2700/6281 (7) · CPC B64C3/00 (7) · CPC B64B1/58 (7) · CPC B64C11/36 (7)
First filing:
Citations from after 1930:
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