Drilldown: Patents

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Patents > Year granted: 1920 & Citations from after 1930: 1-2 & Number of diagram pages: 1-2

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Year filed:
1916 (2) · 1917 (4) · 1918 (5) · 1920 (1)
Year granted:
(There are no values for this filter)
Office:
FR (2) · US (10)
Inventors:
Charles Lemuel Sanford (1) · Charles Mylo Lee (1) · Émile Letord (1) · Gianni Caproni (1) · Grover Cleveland Loening (1) · Henry Kleckler (2) · James Frederick Verner (1) · John S. Maxwell (1) · Melville W. Mix (1) · Spencer Heath (1) · Walter H. Phipps (1)
Inventor country:
CA (1) · FR (1) · IT (1) · US (9)
Applicant person:
Charles Lemuel Sanford (1) · Charles Mylo Lee (1) · Émile Letord (1) · Gianni Caproni (1) · Grover Cleveland Loening (1) · Henry Kleckler (2) · James Frederick Verner (1) · John S. Maxwell (1) · Melville W. Mix (1) · Spencer Heath (1) · Walter H. Phipps (1)
Applicant firm:
None (5) · Curtiss Aeroplane (2) · Grand Rapids Trust Company (1) · Ordnance Engineering Corp. (1) · Pittsburgh Aeroplane & Motor Company (1) · Starr Piano Company (1) · Sturtevant Aeroplane Co. (1)
Applicant type:
COMPANY+INDIV (7) · INDIV (5)
Applicant is inventor:
No (2) · Yes (10)
Tech fields:
None (3) · airplane (1) · balloons (1) · construction (1) · control (2) · dual control (2) · fitting (1) · Landing gear (1) · mounting (1) · multiplane (1) · Propeller (1) · propellers (1) · safety (1) · valve (1)
Filing date:
1916 (2) · 1917 (4) · 1918 (5) · 1920 (1)
Full specification filed date:
None (12)
Application number:
None (3) · 18134517 (1) · 18552017 (1) · 20136817 (1) · 21093618 (1) · 21454018 (1) · 22101318 (1) · 25469218 (1) · 25722918 (1) · 510212D (1)
Grant date:
February 1920 (2) · April 1920 (2) · May 1920 (2) · August 1920 (1) · September 1920 (1) · October 1920 (2) · November 1920 (1) · December 1920 (1)
Granted:
Yes (12)
Publication date:
November 1920 (1) · April 1921 (1)
Supplementary to patent:
None (10) · Patent IT-1916-05-16 (1) · Patent US-1916-08-16-Lee (1)
Related to aircraft:
1 (12)
Patent agent:
Albert Tinkler (1) · Brandon frères (1) · E. G. Siggers (1) · Fraser, Turk and Myers (1) · J. Germain (1) · John P. Tarbox (2) · Kerr, Page, Cooper & Hayward (1) · N. S. Amstutz (1) · Robert P. Haines? (1) · Steven B. Preaton (1) · Unclear (1)
Assigned to:
None (8) · Grand Rapids Trust Company (1) · Pittsburgh Aeroplane & Motor Company (1) · Starr Piano Company (1) · Sturtevant Aeroplane Co. (1)
National tech categories:
None (9) · FR 6.2 (1) · FR 6.4 (1) · USPC 114/344 (1) · USPC 244/101 (1) · USPC 280/47.131 (1)
IPCs:
IPC B63H1/16 (1) · IPC B64B1/64 (1) · IPC B64C11/00 (1) · IPC B64C11/04 (1) · IPC B64C11/20 (1) · IPC B64C13/12 (3) · IPC B64C25/00 (1) · IPC B64C3/18 (2) · IPC B64F1/00 (1) · IPC B64F1/22 (1)
CPCs:
CPC B63H1/16 (1) · CPC B64B1/64 (1) · CPC B64C11/00 (1) · CPC B64C11/04 (1) · CPC B64C11/205 (1) · CPC B64C13/12 (3) · CPC B64C25/62 (1) · CPC B64C25/64 (1) · CPC B64C3/18 (1) · CPC B64C3/185 (1) · CPC B64D2700/62692 (1) · CPC B64F1/221 (1) · CPC B64F2700/6226 (1) · CPC Y10T137/2012 (1) · CPC Y10T137/7905 (1) · CPC Y10T137/7924 (1) · CPC Y10T29/49332 (1)
Family year:
1908 (1) · 1916 (3) · 1917 (4) · 1918 (4)
First filing:
No (2) · Yes (10)
Cites these patents:
None (12)
Citations from after 1930:
1 (9) · 2 (3)
Number of text pages:
2 (3) · 3 (7) · 4 (1) · 5 (1)
Number of claims:
1 - 4 (3) · 4 - 5 (2) · 5 - 20 (7)
Number of diagram pages:
1 (6) · 2 (6)
Number of figures:
3 - 5 (3) · 5 - 7 (4) · 7 - 30 (5)

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