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Patents > Year granted: 1911 & Tech fields: None

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Patent agent:
None (370) · Victor J. Evans (6) · L. Chassevent (6) · Munn & Co. (6) · None (5) · E. Blétry (3) · Boult, Wade & Tennant (3) · J. S. Withers (3)
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National tech categories:
None (312) · FR 6.4 (50) · USPC 244/139 (8) · USPC 244/90R (6) · USPC 244/48 (6) · USPC 244/66 (6) · USPC 244/22 (5) · USPC 244/80 (5) · USPC 244/45R (5) · USPC 244/119 (4) · USPC 244/82 (3) · USPC 244/233 (3) · USPC 244/144 (3) · USPC 244/65 (3) · USPC 244/73R (3) · USPC 244/113 (3)
IPCs:
None (403) · IPC B64C39/00 (19) · IPC B64C17/00 (17) · IPC B64C1/00 (11) · IPC B64C23/00 (10) · IPC B64C3/56 (4) · IPC B64C3/00 (4) · IPC B64C13/00 (4) · IPC B64C3/38 (4) · IPC CPC B64C13/00 (3) · IPC B64D27/00 (3) · IPC B64C11/00 (2) · IPC B64C3/54 (2) · IPC B64C3/42 (2) · IPC B64C25/00 (2) · CPC B64C17/00 (2)
CPCs:
CPC B64C2700/6295 (73) · CPC B64C39/00 (58) · CPC B64C17/00 (51) · None (36) · CPC B64C3/385 (33) · CPC B64C23/005 (29) · CPC B64C13/00 (26) · CPC B64C2700/6274 (17) · CPC B64C2700/6256 (15) · CPC B64C2700/6218 (13) · CPC B64C33/02 (12) · CPC B64C11/006 (12) · CPC B64C2700/6216 (12) · CPC B64C17/06 (12) · CPC B64C2700/6214 (11) · CPC B64C1/00 (9) · CPC B64C35/00 (8) · CPC B64C2700/6212 (8)
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