Drilldown: Patents

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Patents > Filing date: 1800 - 1899 & Supplementary to patent : Patent FR-1891-216860 or None & Patent agent: None

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Assigned to:
None (999) · Thenen (2) · Charles Spear (2) · Syracuse, NY (2) · Dewey Corporation (2)
IPCs:
None (870) · IPC B64B1/00 (21) · IPC B64C33/02 (11) · IPC B64B1/40 (8) · IPC B64C31/06 (7) · IPC B64C11/00 (7) · IPC F42B10/00 (6) · IPC B64B1/58 (5) · IPC A01H5/02 (5) · IPC B64B (5) · IPC B64C31/00 (4) · IPC B64B1/62 (3) · IPC B64C27/04 (3) · IPC B64B1/06 (3) · IPC B64C9/00 (3) · IPC B64C39/00 (3) · IPC B64C31/02 (3) · IPC B64C29/00 (3)
CPCs:
None (743) · CPC B64B1/00 (36) · CPC A63H27/08 (18) · CPC B64C11/006 (18) · CPC B64B1/40 (16) · CPC B64C33/02 (14) · CPC F42B10/30 (14) · CPC B64C11/00 (10) · CPC F01D5/06 (9) · CPC Y02E10/72 (7) · CPC B64C27/54 (7) · CPC B64C11/48 (7) · CPC B64B1/58 (7) · CPC F05B2260/74 (7) · CPC Y02E10/74 (6) · CPC B64C23/005 (6)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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