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Patents > National tech categories : USPC 244/72 or None & Number of claims: 11-13

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Office:
Inventors:
Henry Kleckler (4) · Louis Brennan (2) · James Dennis Roots (2) · Richard A. Engler (2) · Richard Fitz Power (2) · Arthur Henry Philip Blunt (2) · Thomas Sloper (2) · Everard Richard Calthrop (2) · Spencer Heath (2)
Inventor country:
Applicant person:
None (8) · Henry Kleckler (3) · Thomas Sloper (2) · James Dennis Roots (2) · Richard A. Engler (2) · Richard Fitz Power (2) · Everard Richard Calthrop (2) · Spencer Heath (2) · Louis Brennan (2) · Arthur Henry Philip Blunt (2)
Applicant is inventor:
Tech fields:
None (23) · airplane (16) · Design (14) · frame (12) · stability (10) · propulsion (10) · wings (9) · propellers (8) · construction (8) · propeller (8) · LTA (8) · control (6) · rudder (5) · hybrid (5) · Airship (4) · flapping (4) · chassis (4)
Full specification filed date:
Application number:
None (28)
Granted:
Related to aircraft:
Patent agent:
None (20) · Marks & Clerk (8) · Boult, Wade & Tennant (6) · John P. Tarbox (6) · None (5) · Jensen & Son (3) · A. E. White (2) · Haseltine, Lake & Co. (2) · E. R. Royston & Co. (2) · Munn & Co. (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (51) · IPC B64C39/00 (4) · IPC B64C3/38 (3) · IPC B64C33/00 (3) · IPC B64C17/00 (3) · IPC B64C1/00 (3) · IPC B64C13/24 (2) · IPC B64C17/06 (2) · IPC B64C23/00 (2) · IPC B64C11/04 (2)
CPCs:
None (15) · CPC B64C25/60 (4) · CPC B64C33/02 (4) · CPC B64C11/006 (3) · CPC B64C35/00 (3) · CPC B64C39/00 (3) · CPC B64C3/385 (3) · CPC B64C2700/6295 (3) · CPC B64C17/00 (3) · CPC Y02T50/10 (3) · CPC B64C23/005 (3) · CPC B64C33/00 (3) · CPC B64B1/00 (3)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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