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Patents > Tech fields : Airship or None & Supplementary to patent : Patent US-1909-970771 or None & Number of diagram pages: 2-3

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Patent agent:
None (77) · None (12) · Munn & Co. (12) · Victor J. Evans (9) · C. A. Snow & Co. (7) · Brewer & Son (6) · Boult, Wade & Tennant (5) · Marks & Clerk (5) · Paul Caquet (4) · Chassevent (3) · Haseltine, Lake & Co. (3) · C. C. Hines (3) · Sigmund Herzog (3) · John P. Tarbox (3) · Weismann et Marx (3) · James L. Norris (3) · Armengaud jeune (3)
National tech categories:
None (143) · FR 6.4 (42) · HU V/h (9) · USPC 244/233 (8) · DE 77 (7) · USPC 244/90R (6) · USPC 244/80 (6) · FR 6.3 (5) · USPC 244/35R (4) · USPC 244/48 (4) · USPC 244/101 (4) · USPC 244/66 (3) · USPC 244/113 (3) · USPC 244/52 (3) · USPC 244/22 (3) · USPC 244/46 (3) · USPC 244/45R (3)
IPCs:
None (182) · IPC B64C39/00 (19) · IPC B64B1/00 (12) · IPC B64C3/38 (10) · IPC B64C23/00 (10) · IPC B64C3/00 (9) · IPC B64C1/00 (8) · IPC B64C17/00 (7) · IPC B64C13/00 (7) · IPC B64C35/00 (7) · IPC B64C11/00 (5) · IPC B64C27/04 (4) · IPC B64C33/00 (4) · IPC B64C33/02 (4) · IPC B64C3/54 (4) · IPC B64B1/58 (3) · IPC B64B1/62 (3)
CPCs:
None (36) · CPC B64C2700/6295 (26) · CPC B64C17/00 (21) · CPC B64C13/00 (20) · CPC B64B1/00 (19) · CPC B64C23/005 (19) · CPC B64C39/00 (15) · CPC B64C3/385 (14) · CPC B64C39/005 (13) · CPC B64C33/02 (10) · CPC B64C35/00 (9) · CPC B64C2700/6274 (9) · CPC B64C3/00 (8) · CPC B64C39/08 (8) · CPC B64C25/60 (7) · CPC B64C27/82 (7) · CPC B64C11/006 (6) · CPC B64C2700/6256 (6) · CPC B64C3/54 (6)
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