Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & First filing: Yes & Citations from after 1930: 6-8

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Year filed:
1917 (2) · 1918 (5) · 1920 (1) · 1921 (2) · 1922 (1)
Year granted:
1920 (4) · 1921 (1) · 1922 (3) · 1923 (1) · 1924 (1) · 1927 (1)
Office:
US (11)
Inventors:
Alexis Beurrier (1) · Anna E. Logan (1) · Charles B. Kirkham (1) · Clarence Ernest Holt (1) · Cyrus French Wicker (1) · Édouard-Jean Bigourdan (1) · Frank McCarroll (1) · George W. Morrow (1) · Henry E. Krammer (1) · John William Rapp (1) · Joseph Vanorio (1) · Louis Lacoin (1) · Marcel Mathieu Étienne Besson (1) · William Leslie Denham (1)
Inventor country:
FR (2) · US (9)
Inventor location:
None (11)
Applicant person:
Alexis Beurrier (1) · Anna E. Logan (1) · Charles B. Kirkham (1) · Clarence Ernest Holt (1) · Cyrus French Wicker (1) · Édouard-Jean Bigourdan (1) · Frank McCarroll (1) · George W. Morrow (1) · Henry E. Krammer (1) · John William Rapp (1) · Joseph Vanorio (1) · Louis Lacoin (1) · Marcel Mathieu Étienne Besson (1) · William Leslie Denham (1)
Applicant firm:
None (9) · Cloverleaf Propeller Co. (1) · Curtiss Aeroplane (1)
Applicant type:
COMPANY+INDIV (2) · INDIV (9)
Applicant is inventor:
No (1) · Yes (10)
Tech fields:
None (11)
Filing date:
1917 (2) · 1918 (5) · 1920 (1) · 1921 (2) · 1922 (1)
Full specification filed date:
None (11)
Application number:
None (2) · 15723617 (1) · 20975317 (1) · 22495318 (1) · 22655418 (1) · 23025718 (1) · 25727618 (1) · 25886718 (1) · 26900318 (1) · 457036D (1)
Grant date:
1920 (4) · 1921 (1) · 1922 (3) · 1923 (1) · 1924 (1) · 1927 (1)
Granted:
Yes (11)
Publication date:
April 18, 1922 (1)
Supplementary to patent:
None (10) · Patent FR-1915-502520 (1)
Related to aircraft:
1 (11)
Patent agent:
None (1) · Dewey, Strong, Townsend & Loftus (1) · F. W. Barker (1) · Featherslough & Co. (1) · J. C. Ledbetter (1) · James L. Norris (1) · John P. Tarbox (1) · Joseph F. O'Brien (1) · Munn & Co. (1) · Shirtwaul & Mason (1) · Victor J. Evans (1)
Assigned to:
None (11)
National tech categories:
None (7) · FR 6.4 (1) · USPC 244/102SL (1) · USPC 416/115 (1) · USPC 416/118 (1) · USPC 416/130 (1) · USPC 416/153 (1) · USPC 416/159 (1) · USPC 416/161 (1)
IPCs:
IPC B63B1/22 (1) · IPC B63B7/00 (1) · IPC B63B7/08 (1) · IPC B63H1/12 (1) · IPC B64B1/00 (1) · IPC B64C1/14 (1) · IPC B64C11/04 (1) · IPC B64C11/20 (1) · IPC B64C25/00 (1) · IPC B64C25/10 (1) · IPC B64C27/00 (1) · IPC B64C27/04 (2) · IPC B64C3/00 (1) · IPC F03D3/00 (1) · IPC F03D3/06 (1)
CPCs:
CPC B63B1/22 (1) · CPC B63B7/08 (1) · CPC B63H1/18 (1) · CPC B63H1/26 (1) · CPC B64B1/00 (1) · CPC B64C1/1476 (1) · CPC B64C11/04 (1) · CPC B64C11/20 (1) · CPC B64C2025/125 (1) · CPC B64C25/10 (1) · CPC B64C27/04 (2) · CPC B64C2700/6233 (1) · CPC B64C2700/6281 (1) · CPC B64C3/00 (1) · CPC F03D3/068 (1) · CPC F05B2240/221 (1) · CPC F05B2260/72 (1) · CPC Y02E10/74 (1) · CPC Y10T403/635 (1) · CPC Y10T403/7084 (1)
Family year:
None (1) · 1912 (1) · 1917 (2) · 1918 (5) · 1920 (1) · 1922 (1)
First filing: (Click arrow to add another value)
Cites these patents:
None (10) · Patent US-1920-376325 (1)
Citations from after 1930:
6 (5) · 7 (4) · 8 (2)
Number of text pages:
2 (6) · 3 (4) · 8 (1)
Number of claims:
1 - 4 (4) · 4 - 60 (7)
Number of diagram pages:
1 (3) · 2 (2) · 3 (3) · 4 (2) · 7 (1)
Number of figures:
3 - 5 (3) · 5 - 20 (8)

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