Drilldown: Patents

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Patents > Grant date: 1900 - 1909 & Patent agent : E. Bletry or Frazer Furk something or None & Assigned to : Rubber Balloon Company of America or Sperry Gyroscope Company or None & First filing: No

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Tech fields:
None (171) · LTA (90) · Propulsion (65) · Airplane (42) · Frame (37) · navigation (36) · propellers (31) · design (31) · balloon (30) · Stability (28) · Wings (26) · Construction (25) · propeller (21) · hybrid (19) · Airship (19) · Lift (15) · Subsystem (15) · flapping (15) · dirigible (14) · ascension (14)
Full specification filed date:
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Supplementary to patent:
None (289) · Patent DE-1899-123884 (4) · Patent US-1903-821393 (4) · Patent FR-1899-292828 (4) · Patent FR-1904-342610 (3) · Patent GB-1908-4519 (3) · Patent FR-1902-328044 (3) · Patent SE-1906-23283 (3) · Patent DE-1902-140705 (3)
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National tech categories:
None (200) · FR 6.4 (62) · FR 6.3 (40) · HU V/h (31) · RU Group V (16) · AT 77d (15) · DE 77h (11) · DK 77 (6) · IT 8 (3) · DE 77 (2) · MX F. III (2) · USPC 102/348 (2) · DE 77h.6 (2) · DE 77h.4 (2) · Klasse 77 (2) · AT 65b (2) · CA 46/28 (2) · BE K (2)
CPCs:
None (139) · CPC B64B1/00 (37) · CPC B64C33/02 (22) · CPC B64C11/006 (20) · CPC B64C39/00 (19) · CPC B64C2700/6295 (18) · CPC B64B1/58 (18) · CPC B64C39/005 (14) · CPC B64C2700/6274 (14) · CPC B64C23/005 (14) · CPC A63H27/08 (12) · CPC B64C2700/6281 (9) · CPC B64C39/003 (9) · CPC B64C39/008 (8) · CPC B64C17/00 (8) · CPC B64B1/40 (8) · CPC B64C27/04 (7) · CPC B64C33/00 (6)
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