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Patents > Tech fields : balloon or lift & Number of diagram pages: 1

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Supplementary to patent:
None (300) · Patent FR-1908-392672 (11) · Patent FR-1908-407090 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent FR-1909-410848 (3) · Patent AT-1912-75092 (3) · Patent FR-1910-418630 (3) · Patent FR-1907-373818 (3) · Patent NZ-1909-26981 (3)
Related to aircraft:
Patent agent:
None (189) · Armengaud jeune (40) · G. de Mestral et F. Harlé (12) · E. Blétry (11) · None (11) · Marks & Clerk (10) · Haseltine, Lake & Co. (8) · Hippolyte Josse (7) · J. Bonnet-Thirion (7) · Herbert Haddan & Co. (6) · C. Blétry (5) · H. Bœttcher fils (5) · W. P. Thompson & Co. (5) · Munn & Co. (5) · Boult, Wade & Tennant (4) · Dom. Casalonga (4) · Wheatley & Mackenzie (4)
National tech categories:
FR 6.4 (183) · None (79) · AT 77d (25) · DE 77 (24) · HU V/h (16) · FR 6.3 (14) · DK 77 (11) · DE 77h.4 (11) · RU Group V (9) · DE 77h (9) · USPC 244/97 (6) · USPC 244/30 (6) · USPC 244/31 (4) · USPC 244/127 (4) · DE 77h.5 (4) · CH 129a (3) · DE 77h.2 (3) · DE 77h.7 (3) · CH 115 (3)
IPCs:
None (166) · IPC B64B1/00 (56) · IPC B64C39/00 (26) · IPC B64B1/58 (22) · IPC B64C23/00 (16) · IPC B64C17/00 (16) · IPC B64C1/00 (16) · IPC B64C3/54 (11) · IPC B64B1/40 (11) · IPC B64C3/52 (10) · IPC B64C3/38 (9) · IPC B64B1/62 (9) · IPC B64C3/00 (9) · IPC B64C3/48 (8) · IPC B64C11/00 (8) · IPC B64C13/00 (7) · IPC B64C27/04 (6) · IPC B64C33/02 (5)
CPCs:
None (133) · CPC B64B1/00 (56) · CPC B64B1/58 (29) · CPC B64B1/40 (27) · CPC B64C39/00 (27) · CPC B64C2700/6295 (20) · CPC B64C17/00 (17) · CPC B64C23/005 (17) · CPC B64C3/52 (11) · CPC B64C13/00 (10) · CPC B64B1/62 (10) · CPC B64C3/54 (9) · CPC B64C2700/6274 (9) · CPC B64C3/48 (9) · CPC B64C3/385 (9) · CPC B64C3/00 (9) · CPC B64C2700/6218 (7) · CPC B64C27/04 (6)
First filing:
Citations from after 1930:
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