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Patents > Applicant firm : Société anonyme Astra AB or None & Number of text pages: 6-10

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Tech fields:
airplane (178) · stability (152) · frame (85) · propulsion (74) · None (73) · design (70) · navigation (67) · LTA (60) · wings (53) · automatic stability (50) · control (46) · Propellers (40) · propeller (39) · Construction (31) · marine (31) · whole (30) · Aerodynamics (30) · Hybrid (30) · rudder (30)
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Supplementary to patent:
None (378) · Patent FR-1908-396249 (4) · Patent US-1913-1203221 (3) · Patent US-1913-04-21 George Raymond Lawrence (3) · Patent GB-1909-8531 (3) · Patent US-1916-1208684 (3) · Patent GB-1909-26034 (3) · Patent FR-1911-440594 (3) · Patent BE-1910-230887 (3)
Related to aircraft:
Patent agent:
None (137) · Marks & Clerk (21) · None (20) · Munn & Co. (14) · Haseltine, Lake & Co. (13) · Brandon frères (11) · Armengaud jeune (10) · Boult, Wade & Tennant (7) · Matray frères et Cie (6) · Jensen & Son (5) · Schwab (5) · Brewer & Son (5) · J. Bonnet-Thirion (5) · A. M. & William Clark (4) · Weismann et Marx (4) · Lavoix et Mosès (4) · William L. Hall (4) · Charles W. Hills (4) · Henry Hughes (4)
National tech categories:
None (222) · FR 6.4 (106) · HU V/h (19) · USPC 244/80 (12) · GB 4 propel & steer (8) · FR 6.3 (8) · USPC 244/45R (7) · USPC 244/177 (6) · USPC 244/48 (5) · USPC 244/93 (5) · USPC 244/35R (5) · USPC 244/30 (5) · USPC 244/233 (5) · GB 4 without buoyant (4) · GB 4 framework (4) · USPC 244/119 (4) · USPC 244/90R (4) · USPC 244/234 (4) · CH 129b (4)
IPCs:
None (263) · IPC B64C17/00 (58) · IPC B64C1/00 (47) · IPC B64C39/00 (33) · IPC B64B1/00 (20) · IPC B64C3/38 (14) · IPC B64C17/06 (11) · IPC B64C3/00 (9) · IPC B64C11/00 (7) · IPC B64C33/00 (7) · IPC B64C13/00 (6) · IPC B64C23/00 (5) · IPC B64C13/24 (5) · IPC B64C35/00 (5) · IPC B64C3/18 (4) · IPC B64C3/48 (4) · IPC B64C3/54 (4) · IPC B64C33/02 (4)
CPCs:
None (136) · CPC B64C17/00 (76) · CPC B64C2700/6218 (31) · CPC B64B1/00 (31) · CPC B64C13/00 (25) · CPC B64C2700/6295 (25) · CPC B64C39/00 (24) · CPC B64C2700/6212 (20) · CPC B64C3/385 (20) · CPC B64C39/005 (15) · CPC B64C17/06 (12) · CPC B64C13/24 (10) · CPC B64C33/02 (9) · CPC B64C23/005 (9) · CPC B64C33/00 (8) · CPC B64C2700/6216 (7) · CPC B64C2700/6256 (7) · CPC B64C3/00 (7)
First filing:
Citations from after 1930:
Number of text pages:
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