Drilldown: Patents

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Patents > Tech fields : chemistry or None & Number of text pages: 3

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None (37)
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None (215) · Patent US-1911-1028409 (2) · Patent AU-1916-630 (2) · Patent US-1912-1080531 (2) · Patent US-1912-1077892 (2) · Patent BE-1912-02-07-Gramaticesco (2) · Patent BE-1912-08-13-Panian (2)
Related to aircraft:
Patent agent:
None (34) · Victor J. Evans (8) · Munn & Co. (6) · None (5) · Brewer & Son (5) · C. A. Snow & Co. (5) · Haseltine, Lake & Co. (5) · J. S. Withers & Spooner (5) · Marks & Clerk (4) · L. Chassevent (4) · Sigmund Herzog (3) · G. Petiau (3) · Weismann et Marx (3) · Rigot et Prévost (3) · John P. Tarbox (3) · Herbert Haddan & Co. (3) · Edwards & Co. (3) · Dom. Casalonga (3) · Brandon frères (3)
National tech categories:
None (124) · FR 6.4 (62) · USPC 244/45R (6) · USPC 244/80 (6) · USPC 244/48 (5) · USPC 244/113 (4) · DE 77 (4) · USPC 244/119 (4) · USPC 244/233 (4) · USPC 244/46 (3) · USPC 244/101 (2) · USPC 244/6 (2) · USPC 244/219 (2) · USPC 244/63 (2) · USPC 244/17.15 (2) · USPC 244/17.11 (2) · USPC 244/66 (2) · USPC 244/91 (2) · USPC 244/104R (2) · USPC 244/22 (2)
IPCs:
None (113) · IPC B64C39/00 (20) · IPC B64C3/38 (19) · IPC B64C17/00 (17) · IPC B64C23/00 (12) · IPC B64C1/00 (12) · IPC B64C13/00 (8) · IPC B64C3/00 (8) · IPC B64C3/54 (7) · IPC B64C27/04 (6) · IPC B64C33/02 (6) · IPC B64C35/00 (4) · IPC B64C11/00 (3) · IPC B64C13/04 (3) · IPC B64D27/00 (3) · IPC B64C25/00 (3) · IPC B64C3/56 (3)
CPCs:
CPC B64C3/385 (28) · CPC B64C17/00 (27) · CPC B64C2700/6295 (21) · CPC B64C23/005 (19) · None (15) · CPC B64C13/00 (14) · CPC B64C39/00 (11) · CPC B64C2700/6274 (10) · CPC B64C33/02 (9) · CPC B64C3/00 (9) · CPC B64C39/08 (8) · CPC B64C2700/6256 (8) · CPC B64C2700/6218 (8) · CPC B64C39/005 (7) · CPC B64C27/82 (7) · CPC B64C3/54 (7) · CPC B64C2700/6214 (6) · CPC B64C2700/6281 (6) · CPC B64B1/00 (5)
First filing:
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