Drilldown: Patents

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Patents > Tech fields: None & Citations from after 1930: 2-4 & Number of text pages: 1-2

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Office:
Inventors:
Spencer Heath (2) · Eleazer Kempshall (2)
Inventor country:
Inventor location:
None (132) · Allegheny county, Pennsylvania (3) · Los Angeles (3) · New York (3) · Pittsburgh (3) · PA (3) · New Jersey (2) · London (2) · New York City (2) · Ohio (2)
Applicant person:
None (2) · Spencer Heath (2) · Eleazer Kempshall (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (81)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (24) · Munn & Co. (14) · None (10) · Victor J. Evans (8) · Herbert Haddan & Co. (2) · Joshua R. H. Potts (2) · L. Chassevent (2) · H. C. Evert & Co. (2) · Eric W. Walford (2) · Christy and Christy (2) · C. Bauman (2) · J. Bonnet-Thirion (2) · A. O. Behel (2)
National tech categories:
None (57) · FR 6.4 (11) · USPC 244/3.23 (10) · USPC 244/153R (8) · USPC 244/119 (3) · USPC 244/97 (3)
IPCs:
None (92) · IPC B64B1/00 (9) · IPC B64C31/06 (8) · IPC B64C31/00 (7) · IPC B63H1/12 (3) · IPC B64C33/00 (3) · IPC B64C25/00 (3) · IPC B64C23/00 (3) · IPC B64C3/00 (3) · IPC B64C11/20 (2) · IPC B64B1/40 (2) · IPC B64B1/62 (2) · IPC F42B10/00 (2) · IPC B64C1/08 (2) · IPC B64C39/00 (2) · IPC B64C13/00 (2)
CPCs:
CPC A63H27/08 (11) · CPC B64C27/54 (9) · CPC B64B1/40 (6) · CPC B64C13/00 (6) · CPC F42B10/30 (6) · CPC B64B1/00 (6) · CPC B64C11/48 (5) · CPC Y02E10/74 (5) · CPC B64C27/463 (5) · CPC F05B2260/96 (5) · CPC B64C2700/6295 (5) · CPC B64C11/006 (4) · CPC B64C23/005 (4) · CPC B64C3/00 (4) · CPC F03D3/00 (4) · CPC B64C39/08 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 169 results in range #1 to #169.

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