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Patents > Citations from after 1930: 2-4 & Number of text pages: 1-2 & Number of figures: 2-6

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Office:
Inventors:
Spencer Heath (3) · None (2) · Francis J. Plym (2)
Inventor country:
Inventor location:
None (116) · Pittsburgh (3) · PA (3) · Ohio (3) · Allegheny county, Pennsylvania (3) · London (2) · New York state (2) · New York (2) · Los Angeles (2) · Michigan (2)
Applicant person:
None (3) · Spencer Heath (3) · Francis J. Plym (2)
Applicant is inventor:
Tech fields:
None (21) · propeller (20) · LTA (14) · military (14) · frame (14) · airplane (13) · projectile (10) · kite (10) · propulsion (10) · parachute (10) · rudder (7) · navigation (7) · Windmill (7) · construction (7) · Stability (6) · balloon (6) · Safety (5) · propellers (5)
Full specification filed date:
Application number:
None (72)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (21) · Munn & Co. (10) · Victor J. Evans (7) · None (7) · Marks & Clerk (3) · Christy and Christy (2) · George Thorpe (2) · C. Bauman (2) · Armengaud jeune (2) · H. C. Evert & Co. (2) · J. Bonnet-Thirion (2) · Joshua R. H. Potts (2) · Herbert Haddan & Co. (2)
National tech categories:
None (59) · USPC 244/3.23 (10) · FR 6.4 (9) · USPC 244/153R (5) · USPC 244/119 (3) · USPC 244/64 (2) · USPC 244/60 (2) · USPC 244/147 (2) · USPC 244/35R (2) · USPC 244/155R (2) · USPC 244/63 (2) · FR 20.1 (2) · USPC 416/113 (2)
IPCs:
None (89) · IPC B64C31/06 (6) · IPC B64B1/00 (5) · IPC B64C3/00 (5) · IPC B64C31/00 (5) · IPC B64C39/00 (3) · IPC B64C25/00 (3) · IPC B64C23/00 (3) · IPC B64C33/00 (2) · IPC B63H1/12 (2) · IPC B64C11/20 (2)
CPCs:
CPC A63H27/08 (8) · CPC Y02E10/74 (8) · CPC B64C27/54 (7) · CPC F42B10/30 (6) · CPC B64C3/00 (6) · CPC F03D3/00 (6) · CPC B64C13/00 (6) · CPC B64C11/006 (6) · CPC B64B1/00 (5) · CPC B64C2700/6295 (5) · CPC B64C27/463 (5) · CPC F05B2260/96 (5) · None (5) · CPC B64C23/005 (4) · CPC B64C11/48 (4) · CPC B64C39/08 (4) · CPC B64C11/18 (3) · CPC B64B1/40 (3) · CPC F05B2260/74 (3) · CPC B64C11/343 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

Showing below up to 155 results in range #1 to #155.

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