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Patents > Tech fields : Airship or propulsion or None & First filing: Yes & Number of text pages: 1-2

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Applicant firm:
None (600) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (2) · Luftschiffsantrieb G.m.b.H. (2) · Blackburn Aeroplane and Motor Co. (2) · Magneso Calcite Fire-Proof Company (2) · Motorluftschiff-Studiengesellschaft m.b.H (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
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Supplementary to patent:
None (604) · Patent FR-1915-525800 (2)
Related to aircraft:
Patent agent:
None (231) · None (36) · Munn & Co. (23) · Armengaud jeune (15) · Victor J. Evans (14) · Haseltine, Lake & Co. (7) · L. Chassevent (7) · J. Germain (6) · Dom. Casalonga (6) · Chassevent (6) · R. S. & A. B. Lacey (5) · Y. Rabilloud et fils (5) · Brandon freres (5) · G. de Mestral et F. Harle (5)
National tech categories:
None (168) · FR 6.4 (161) · DE 77 (23) · HU V/h (20) · FR 6.2 (13) · AT 77d (12) · DE 77h.5 (12) · USPC 244/73R (9) · FR 6.3 (8) · DE 77h (8) · USPC 244/22 (7) · USPC 244/6 (6) · FR 5.3 (6) · DE 77h.6 (6) · USPC 244/60 (6) · DE 77h.2 (5) · USPC 244/70 (5) · USPC 244/20 (5)
IPCs:
None (254) · IPC B64C39/00 (42) · IPC B64B1/00 (39) · IPC B64C11/00 (31) · IPC B64C3/00 (28) · IPC B64C17/00 (19) · IPC B64C23/00 (16) · IPC B64C1/00 (14) · IPC B64C33/02 (14) · IPC B64C35/00 (9) · IPC B64B1/58 (9) · IPC B64C27/04 (8) · IPC B64C11/04 (6) · IPC B64C11/16 (6) · IPC B64C11/20 (6) · IPC B64C3/38 (6) · IPC B64D27/00 (5) · IPC B64C13/00 (5)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
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