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Patents > CPCs : CPC B64B1/00 or CPC B64F2700/6296 & Number of text pages: 2-4

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None (334) · New York county (4) · New York (4) · Westminster (3) · Pittsburgh (3) · PA (3) · New York state (3) · New York City (3) · Allegheny county, Pennsylvania (3) · London (3) · County of London (2) · Seine (2) · San Diego (2) · Florida (2) · Zürich (2) · Canton of Zurich (2) · California (2)
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Tech fields:
LTA (277) · frame (88) · propulsion (80) · balloon (77) · navigation (76) · Airship (48) · dirigible (47) · design (44) · hybrid (40) · propeller (40) · stability (31) · Dirigibles (30) · construction (30) · car (30) · rudder (29) · airplane (28) · balloons (26) · None (25) · rigid (21) · ballonet (20)
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Supplementary to patent:
None (274) · Patent FR-1913-472867 (4) · Patent FR-1913-467415 (3) · Patent ES-1906-38692 (3) · Patent DE-1911-258741 (2) · Patent US-1914-1108113 (2) · Patent IT-1913- (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1911-438580 (2) · Patent FR-1907-382794 (2) · Patent FR-1902-317598 (2) · Patent US-1915-1165731 (2) · Patent BE-1912-07-11 Maiche et Legras (2)
Related to aircraft:
Patent agent:
None (75) · Armengaud jeune (15) · Munn & Co. (13) · None (12) · Haseltine, Lake & Co. (12) · Borame et Julien (8) · Marks & Clerk (7) · Abel & Imray (7) · Brandon frères (6) · Boult, Wade & Tennant (6) · J. Bonnet-Thirion (6) · Chassevent (5) · Victor J. Evans (5) · G. Petiau (5) · Hippolyte Josse (5) · Ed. Wolf (4) · C. Blétry (4) · Ad. Sturm (4) · Lavoix et Mosès (4) · de Bongé (4)
National tech categories:
FR 6.4 (126) · None (79) · FR 6.3 (33) · USPC 244/30 (29) · USPC 244/28 (17) · USPC 244/26 (16) · USPC 244/25 (14) · DE 77 (10) · USPC 24/713.8 (8) · DE 77h.2 (7) · USPC 244/67 (6) · USPC 244/29 (5) · USPC 244/127 (5) · USPC 244/125 (5) · USPC 24/714.3 (3) · USPC 244/27 (3) · USPC 244/73R (3)
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