Drilldown: Patents

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Patents > Patent agent: Victor J. Evans & Assigned to: None & Number of figures: 5-14

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Year filed:
1909 (3) · 1910 (11) · 1911 (11) · 1912 (8) · 1913 (4) · 1914 (2) · 1915 (3) · 1916 (4) · 1917 (4) · 1918 (1) · 1919 (1)
Year granted:
1910 (2) · 1911 (13) · 1912 (9) · 1913 (12) · 1914 (1) · 1915 (1) · 1916 (4) · 1917 (5) · 1918 (2) · 1919 (1) · 1920 (1) · 1921 (1)
Office:
US (52)
Inventors:
George Lehberger (2) · Ralph P. Fox (2) · Robert P. Hall (2) · Samuel S. Yarrington (2)
Inventor country:
CA (2) · GB (1) · PO (1) · US (49)
Applicant person:
Robert P. Hall (2) · George Lehberger (2) · Ralph P. Fox (2) · Samuel S. Yarrington (2)
Applicant firm:
None (52)
Applicant type:
None (1) · INDIV (51)
Applicant is inventor:
No (2) · Yes (50)
Tech fields:
None (15) · stability (10) · frame (9) · airplane (9) · rudder (9) · propeller (7) · navigation (6) · hybrid (6) · safety (5) · helicopter (4) · propulsion (4) · airship (3) · LTA (3) · parachute (3)
Filing date:
1909 (3) · 1910 (11) · 1911 (11) · 1912 (8) · 1913 (4) · 1914 (2) · 1915 (3) · 1916 (4) · 1917 (4) · 1918 (1) · 1919 (1)
Full specification filed date:
October 11, 1912 (1)
Application number:
None (6)
Grant date:
1910 (2) · 1911 (13) · 1912 (9) · 1913 (11) · 1914 (1) · 1915 (2) · 1916 (4) · 1917 (5) · 1918 (2) · 1919 (1) · 1920 (1) · 1921 (1)
Granted:
No (1) · Yes (51)
Publication date:
None (52)
Supplementary to patent:
None (52)
Related to aircraft:
.5 (2) · 0 (1) · 1 (46) · Yes (3)
Patent agent: (Click arrow to add another value)
Assigned to: (Click arrow to add another value)
National tech categories:
None (9) · USPC 244/80 (7) · USPC 244/119 (4) · USPC 244/139 (3) · USPC 244/100R (2) · USPC 244/90R (2) · USPC 244/48 (2) · USPC 244/45R (2) · USPC 244/131 (2)
IPCs:
None (45) · IPC B64C17/00 (1) · IPC B64C25/00 (1) · IPC B64C3/00 (1) · IPC B64C3/26 (1) · IPC B64C33/00 (1) · IPC B64D17/00 (1) · IPC B64D25/12 (1) · IPC F03D3/00 (1) · IPC F03D3/06 (1)
CPCs:
CPC B64C17/00 (11) · CPC B64C23/005 (5) · CPC B64B1/00 (4) · CPC B64C3/385 (3) · CPC B64C27/82 (3) · CPC Y02E10/74 (2) · CPC Y02E10/28 (2) · CPC B64C3/14 (2) · CPC B64C29/0033 (2)
Family year:
None (1) · 1909 (2) · 1910 (11) · 1911 (12) · 1912 (7) · 1913 (4) · 1914 (1) · 1915 (3) · 1916 (5) · 1917 (4) · 1918 (1) · 1919 (1)
First filing:
No (2) · Yes (50)
Cites these patents:
None (52)
Citations from after 1930:
None (19) · 1 - 2 (6) · 2 - 7 (11)
Number of text pages:
1 (1) · 2 (19) · 3 (23) · 4 (7) · 5 (2)
Number of claims:
1 - 2 (5) · 2 - 3 (12) · 3 - 4 (8) · 4 - 6 (13) · 6 - 15 (14)
Number of diagram pages:
1 - 2 (3) · 2 - 3 (11) · 3 - 4 (16) · 4 - 7 (22)
Number of figures:
5 - 6 (15) · 6 - 8 (22) · 8 - 12 (15)

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