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Patents > Tech fields : Balloons or None & Number of claims: 4

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Office:
Inventors:
None (10) · Everard Richard Calthrop (3) · Louis Constantin (3) · Louis Bréguet (3) · Adolphe Clément-Bayard (3) · Paul Kauffmann (3)
Inventor country:
Applicant person:
None (18) · Paul Kauffmann (3) · Everard Richard Calthrop (3) · Adolphe Clément-Bayard (3) · Louis Constantin (3) · Édouard Tarron (2) · Gaston Madeira (2) · Paul Lehmann (2) · George L. Bumbaugh (2) · Robert Esnault-Pelterie (2) · Daniel-Alexis-Léopold Grosclaude (2) · Charles-Daniel-Alexandre Pasteur (2) · Chester Arthur Lewis (2) · François Dergint (2) · Fernand Lioré (2) · Ernst Emil Freytag (2) · Albert L. Watters (2) · Hugh Oswald Short (2) · Herbert Thomas Alesbury (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (33)
Granted:
Publication date:
Supplementary to patent:
None (156) · Patent FR-1911-431862 (2) · Patent DE-1908-239989 (2) · Patent ES-1911-50083 (2)
Related to aircraft:
Patent agent:
None (37) · Armengaud jeune (14) · None (14) · Lavoix et Mosès (6) · Marks & Clerk (5) · L. Chassevent (5) · Haseltine, Lake & Co. (5) · E. Blétry (5) · Dupont et Elluin (4) · Schwab (4) · W. P. Thompson & Co. (3) · Société A. Frey et de Carsalade (3) · Paul Caquet (3) · J. Germain (3) · Hippolyte Josse (3) · Charles Dony (3) · Brewer & Son (3)
National tech categories:
FR 6.4 (86) · None (78) · FR 6.2 (3) · USPC 244/45R (2) · FR 6.3 (2) · FR 10.1 (2) · FR 5.5 (2) · USPC 244/80 (2) · HU V/h (2)
IPCs:
None (52) · IPC B64C39/00 (23) · IPC B64C17/00 (15) · IPC B64B1/00 (12) · IPC B64C1/00 (12) · IPC B64C3/00 (10) · IPC B64C3/38 (8) · IPC B64C35/00 (6) · IPC B64C27/04 (6) · IPC B64C11/00 (6) · IPC B64C23/00 (5) · IPC B64C13/00 (5) · IPC B64B1/58 (5) · IPC B64C3/54 (3) · IPC B64C3/18 (3)
CPCs:
CPC B64C17/00 (22) · None (18) · CPC B64C39/00 (17) · CPC B64C2700/6295 (16) · CPC B64B1/00 (11) · CPC B64C3/385 (11) · CPC B64C3/00 (9) · CPC B64C23/005 (7) · CPC B64C13/00 (7) · CPC B64C2700/6214 (6) · CPC B64B1/58 (5) · CPC B64C2700/6256 (5) · CPC B64C11/006 (5) · CPC B64C35/00 (5)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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