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Patents > Citations from after 1930: 1-3 & Number of text pages: 3-4 & Number of claims: 7-60

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Office:
Inventors:
Hugh Oswald Short (2) · Frank M. Leavitt (2) · Edward Payson Johnston (2) · Denis F. Cashman (2)
Inventor country:
Applicant person:
Edward Payson Johnston (2) · Denis F. Cashman (2) · Frank M. Leavitt (2) · Hugh Oswald Short (2) · William Phillips Thompson (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (17) · LTA (13) · propulsion (11) · propeller (8) · stability (8) · Airplane (7) · navigation (7) · frame (6) · marine (4) · balloon (3) · helicopter (3) · car (3) · safety (3) · rudder (3) · control (3) · wheels (3)
Full specification filed date:
Application number:
None (12)
Granted:
Publication date:
Related to aircraft:
Patent agent:
Munn & Co. (5) · None (3) · C. A. Snow & Co. (2) · Brewer & Son (2) · Boult, Wade & Tennant (2) · None (2) · Victor J. Evans (2)
National tech categories:
None (25) · USPC 244/80 (3) · USPC 244/66 (3) · USPC 244/17.11 (2) · USPC 74/469 (2) · USPC 416/129 (2) · USPC 244/90R (2) · FR 6.4 (2) · USPC 244/6 (2) · USPC 244/45R (2) · USPC 244/35R (2) · USPC 244/25 (2) · USPC 244/218 (2) · USPC 244/64 (2)
CPCs:
CPC B64B1/00 (8) · CPC B64C13/00 (4) · CPC B64C17/00 (3) · CPC B64C39/005 (3) · CPC B64C27/82 (3) · CPC B64C23/005 (3) · CPC B64C11/48 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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