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Patents > Tech fields : Airship or None & Supplementary to patent : Patent US-1909-970771 or None & Number of figures: 3-4

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None (62)
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Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (80) · None (13) · C. A. Snow & Co. (5) · Munn & Co. (5) · Chassevent (5) · Victor J. Evans (4) · Brewer & Son (4) · Marks & Clerk (4) · L. Chassevent (4) · Lavoix et Mosès (3) · Weismann et Marx (3) · G. F. Redfern & Co. (3) · Browne & Co. (3)
National tech categories:
None (102) · FR 6.4 (70) · HU V/h (11) · USPC 244/45R (8) · DE 77h.5 (6) · DE 77h.2 (4) · USPC 244/233 (4) · USPC 244/6 (4) · DE 77h (3) · USPC 244/80 (3) · AT 77d (3)
IPCs:
None (123) · IPC B64C39/00 (23) · IPC B64B1/00 (19) · IPC B64C3/38 (17) · IPC B64C23/00 (11) · IPC B64C13/00 (11) · IPC B64C3/00 (10) · IPC B64C35/00 (7) · IPC B64C17/00 (6) · IPC B64C1/00 (5) · IPC B64C33/02 (4) · IPC B64C25/00 (3) · IPC B64C5/04 (3) · IPC B64C3/54 (3) · IPC B64C13/04 (3) · IPC B64B1/22 (3) · IPC B64C11/00 (3)
CPCs:
None (34) · CPC B64C2700/6295 (28) · CPC B64C3/385 (23) · CPC B64B1/00 (21) · CPC B64C23/005 (16) · CPC B64C13/00 (16) · CPC B64C39/00 (16) · CPC B64C3/00 (10) · CPC B64C17/00 (10) · CPC B64C2700/6274 (9) · CPC B64C2700/6256 (8) · CPC B64C39/08 (8) · CPC B64C39/005 (7) · CPC B64C35/00 (7) · CPC B64C33/02 (5) · CPC B64C3/14 (5) · CPC B64C2700/6235 (5) · CPC B64C2700/6233 (5)
First filing:
Citations from after 1930:
Number of text pages:
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