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Patents > Tech fields : Wings or wings & Number of diagram pages: 1-2

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Supplementary to patent:
None (380) · Patent FR-1907-373818 (8) · Patent GB-1911-12232‎‎ (7) · Patent FR-1908-392672 (7) · Patent US-1909-970771 (6) · Patent AT-1912-75092 (5) · Patent FR-1908-407090 (4) · Patent SE-1906-25199 (4) · Patent SE-1906-23283 (4) · Patent CH-1912-62201 (4) · Patent FR-1909-403985 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4)
Related to aircraft:
Patent agent:
None (224) · Armengaud jeune (66) · None (24) · G. de Mestral et F. Harlé (16) · Marks & Clerk (14) · E. Blétry (14) · Weismann et Marx (13) · Hippolyte Josse (12) · L. Chassevent (10) · J. Bonnet-Thirion (7) · Haseltine, Lake & Co. (7) · W. P. Thompson & Co.‎ (7) · Louis Tailfer (6) · Brandon frères (6) · Dupont et Elluin (6) · C. Blétry (6) · Boult, Wade, and Tennant (5)
National tech categories:
FR 6.4 (287) · None (130) · HU V/h (51) · AT 77d (40) · DE 77h.5 (30) · DK 77 (10) · DE 77h.7 (10) · FR 6.3 (9) · CH 129b (5) · DE 77h (5) · RU Group V (4) · FR 5.3 (4) · DE 77h.10 (4) · USPC 244/35R (3) · CH 129c (3)
IPCs:
None (203) · IPC B64C39/00 (56) · IPC B64C3/00 (49) · IPC B64C17/00 (41) · IPC B64C1/00 (41) · IPC B64C3/38 (26) · IPC B64C33/02 (24) · IPC B64C3/54 (21) · IPC B64C3/52 (20) · IPC B64C3/56 (19) · IPC B64C13/00 (15) · IPC B64C3/48 (14) · IPC B64C11/00 (13) · IPC B64C23/00 (12) · IPC B64C33/00 (9) · IPC B64B1/00 (9) · IPC B64C3/14 (9) · IPC B64C3/18 (7) · IPC B64C1/26 (6) · IPC B64C31/04 (6)
CPCs:
None (155) · CPC B64C3/00 (51) · CPC B64C39/00 (44) · CPC B64C17/00 (42) · CPC B64C2700/6295 (33) · CPC B64C33/02 (31) · CPC B64C2700/6233 (30) · CPC B64C3/52 (22) · CPC B64C13/00 (22) · CPC B64C3/56 (20) · CPC B64C2700/6218 (19) · CPC B64C3/385 (19) · CPC B64C3/54 (19) · CPC B64C3/48 (15) · CPC B64C23/005 (13) · CPC B64C3/14 (12) · CPC B64C33/00 (12) · CPC B64C11/006 (11) · CPC B64C2700/6256 (11)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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