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Patents > Filing date: 1918 & National tech categories: None & Citations from after 1930: None

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Office:
Inventor location:
None (426) · Pennsylvania (5) · Illinois (2) · New York state (2) · Michigan (2) · Allegheny county, PA (2) · Turin (2) · Wilkinsburg, PA (2)
Applicant is inventor:
Tech fields:
None (294) · airplane (58) · frame (34) · construction (33) · design (22) · propellers (19) · aerodynamics (15) · control (15) · LTA (12) · stability (12) · wings (12) · structure (10) · propeller (10) · propulsion (9) · subsystem (9) · spars (9) · metal (9) · fuselage (9) · Airship (8) · biplane (8)
Application number:
Grant date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (332) · None (11) · A. M. & William Clark (9) · Marks & Clerk (7) · Boult, Wade & Tennant (5) · John P. Tarbox (5) · J. S. Alford (3) · Phillipss (3) · Herbert H. Thompson (3) · G. F. Redfern & Co. (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (318) · IPC B64C3/18 (15) · IPC B64C39/00 (11) · IPC B64C1/06 (11) · IPC B64C3/00 (9) · IPC B64B1/00 (6) · IPC B64C11/20 (5) · IPC B64C1/00 (5) · IPC B64C11/00 (5) · IPC B64C35/00 (4) · IPC B64C3/26 (3) · IPC B64C17/00 (3) · IPC B64C13/00 (3) · IPC B64C11/36 (3) · IPC B64C11/34 (3) · IPC B64C25/00 (3) · IPC B64B1/58 (3)
CPCs:
CPC B64C3/00 (28) · CPC B64C2700/6295 (27) · CPC B64C3/18 (26) · CPC B64C39/00 (23) · CPC B64C13/00 (21) · CPC B64C1/065 (17) · CPC B64C2700/6256 (15) · CPC B64B1/00 (15) · CPC B64C2700/6235 (15) · CPC B64C3/185 (15) · CPC B64C17/00 (14) · CPC B64C2001/0081 (12) · CPC B64B1/40 (12) · CPC B64C23/005 (10) · CPC B64C2001/0063 (10) · CPC B64C2700/6233 (10) · CPC B64C35/00 (10) · CPC B64B1/58 (9) · CPC B64C11/20 (9)
First filing:
Citations from after 1930:
Number of diagram pages:

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