Drilldown: Patents

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Patents > Tech fields : Airship or propulsion & Number of text pages: 1-2 & Number of claims: 1-2

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Office:
Applicant is inventor:
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Full specification filed date:
Application number:
None (180) · 423792D (3) · 496388D (2)
Granted:
Supplementary to patent:
None (258) · Patent FR-1910-423792 (5) · Patent AT-1909-48421 (4) · Patent DE-1909-02-25 Hugo Erdmann (3) · Patent DE-1912-279343 (3) · Patent AT-1909-40038 (3) · Patent AT-1910-48427 (2) · Patent FR-1909-398825 (2) · Patent DE-1907-202942 (2) · Patent DE-1899-123884 (2) · Patent FR-1904-342610 (2) · Patent FR-1909-410528 (2) · Patent FR-1913-465760 (2) · Patent CA-1917-183481 (2) · Patent FR-1898-278192 (2) · Patent FR-1908-407090 (2) · Patent FR-1910-424987 (2) · Patent DE-1913-290120 (2) · Patent GB-1901-21099 (2)
Related to aircraft:
Patent agent:
None (201) · None (16) · Armengaud jeune (10) · Y. Rabilloud et fils (7) · J. Germain (6) · Lavoix et Mosès (6) · Schwab (5) · L. Chassevent (5) · Dom. Casalonga (5) · Munn & Co. (4) · De Bongé (4) · Paul Caquet (4) · J. Bonnet-Thirion (4) · G. de Mestral et F. Harlé (4) · Marks & Clerk (3) · R. S. & A. B. Lacey (3) · Victor J. Evans (3)
National tech categories:
FR 6.4 (118) · HU V/h (50) · None (50) · AT 77d (28) · FR 6.2 (24) · DE 77 (23) · FR 6.3 (8) · USPC 244/73R (6) · RU Group V (6) · FR 5.8 (6) · DE 77h (4) · USPC 244/30 (4) · DE 77h.6 (4) · DE 77h.4 (4) · DE 77h.5 (3) · DK 77 (3) · USPC 244/66 (3) · FR 5.3 (3) · DE 77h.2 (3)
IPCs:
None (169) · IPC B64C11/00 (32) · IPC B64B1/00 (27) · IPC B64C39/00 (21) · IPC B64B1/58 (14) · IPC B64C33/02 (12) · IPC B64C23/00 (10) · IPC B64C27/04 (8) · IPC B63H1/12 (7) · IPC B64C11/20 (6) · IPC B64C11/16 (5) · IPC B64C11/04 (4) · IPC B64B1/62 (4) · IPC B64B1/06 (4) · IPC B64D27/00 (4) · IPC B64C27/00 (3) · IPC B64C11/30 (3) · IPC B64B1/22 (3) · IPC B64B1/40 (3) · IPC B64C3/54 (3)
CPCs:
None (132) · CPC B64B1/00 (34) · CPC B64C11/006 (29) · CPC B64C23/005 (14) · CPC B64B1/58 (14) · CPC B64C39/00 (14) · CPC B64C33/02 (12) · CPC B64C2700/6295 (11) · CPC B64C2700/6274 (9) · CPC B64C11/00 (8) · CPC B64C39/005 (7) · CPC B63H1/26 (7) · CPC B64C11/001 (7) · CPC B64C11/16 (6) · CPC B64C27/04 (5) · CPC B64C11/20 (5) · CPC B64C2700/6281 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
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