Drilldown: Patents

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Patents > Tech fields: None & Filing date: 1909 & Family year: 1900 - 1999

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Patent agent:
None (263) · None (9) · Stephen Watkins, Son & Groves (3) · Munn & Co. (3) · Marks & Clerk (3) · L. Chassevent (3) · Armengaud jeune (2) · G.F. Redfern & Co. (2) · Dom. Casalonga (2) · Société J.-P. Bonnicart et Cie (2) · Chassevent (2) · Lloyd Wise & Co. (2) · Frank T. Wentworth (2) · Haseltine, Lake & Co. (2) · W. J. FitzGerald & Co. (2) · Boramé et Julien (2)
National tech categories:
None (260) · FR 6.4 (38) · USPC 244/45R (5) · USPC 244/22 (3) · USPC 244/80 (3) · USPC 244/93 (3) · USPC 244/48 (3) · USPC 244/119 (2) · USPC 416/129 (2) · USPC 244/50 (2) · USPC 244/64 (2) · USPC 244/65 (2) · USPC 244/66 (2) · USPC 244/17.21 (2) · USPC 244/7R (2) · USPC 244/128 (2) · USPC 244/12.1 (2) · USPC 244/82 (2)
IPCs:
None (264) · IPC B64C39/00 (23) · IPC B64C3/38 (13) · IPC B64C17/00 (11) · IPC B64C1/00 (8) · IPC B64C3/00 (5) · IPC B64C3/54 (4) · IPC B64C13/00 (3) · IPC B64C11/00 (3) · IPC B64C25/00 (3) · IPC B64C13/04 (2) · IPC B64C3/56 (2) · IPC B64C27/28 (2) · IPC B64C3/40 (2) · IPC B64C25/62 (2) · IPC B64C33/02 (2) · IPC B64B1/58 (2) · IPC B64C3/18 (2) · IPC B64D27/00 (2)
CPCs:
CPC B64C2700/6295 (50) · CPC B64C39/00 (38) · None (37) · CPC B64C3/385 (27) · CPC B64C11/006 (18) · CPC B64C17/00 (17) · CPC B64C23/005 (14) · CPC B64C33/02 (11) · CPC B64B1/58 (11) · CPC B64C2700/6274 (10) · CPC B64C33/00 (9) · CPC B64C13/00 (9) · CPC B64C39/005 (9) · CPC B64C11/00 (7) · CPC B64B1/00 (6) · CPC B64C11/36 (6) · CPC B64C2700/6281 (6) · CPC B64C39/08 (6) · CPC B64C3/00 (6)
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