Drilldown: Patents

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Patents > Grant date: 1927 & Assigned to: None & Number of text pages: 4-50000000

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Year filed:
1916 (1) · 1917 (1) · 1918 (1) · 1921 (1) · 1926 (1) · 1927 (1)
Year granted:
1916 (1) · 1927 (5)
Office:
FR (1) · GR (1) · HU (1) · US (3)
Inventors:
Albert Ennis Henderson (1) · Henry E. Krammer (2) · Pierre Le Goaziou (1) · Pierre Levasseur (1) · Ruter William Springer (1)
Inventor country:
CA (1) · FR (2) · US (3)
Inventor location:
None (5) · Ontario (1) · Toronto (1)
Applicant person:
Albert Ennis Henderson (1) · Henry E. Krammer (2) · Pierre Le Goaziou (1) · Pierre Levasseur (1) · Ruter William Springer (1)
Applicant firm:
None (6)
Applicant type:
INDIV (6)
Applicant is inventor:
Yes (6)
Tech fields:
None (6)
Filing date:
1916 (1) · 1917 (1) · 1918 (1) · 1921 (1) · 1926 (1) · 1927 (1)
Full specification filed date:
None (6)
Application number:
None (4) · 16925317 (1) · 24356418 (1)
Grant date:
March 1927 (1) · May 1927 (2) · June 1927 (1) · July 1927 (1) · October 1927 (1)
Granted:
No (1) · Yes (5)
Publication date:
None (3) · 1927 (2) · 1930 (1)
Supplementary to patent:
None (5) · Patent US-1916-1208684 (1)
Related to aircraft:
1 (6)
Patent agent:
None (2) · Dayle & Dayle (1) · F. W. Barker (1) · None (1) · Warren S. Ostow (1)
Assigned to: (Click arrow to add another value)
National tech categories:
None (4) · FR 12.2 (1) · HU V/h (1)
IPCs:
None (2) · IPC B64B1/40 (1) · IPC B64B1/00 (1) · IPC B64C35/00 (1) · IPC G01S1/72 (1)
CPCs:
None (2) · CPC B64B1/00 (1) · CPC B64B1/40 (1) · CPC B64C35/00 (1) · CPC B64F2700/6292 (1) · CPC G01S1/72 (1) · CPC Y10T403/7084 (1)
Family year:
None (1) · 1916 (1) · 1917 (1) · 1918 (1) · 1924 (1) · 1926 (1)
First filing:
None (1) · No (1) · Yes (4)
Cites these patents:
None (5) · Patent US-1920-376325 (1)
Citations from after 1930:
None (4) · 4 (1) · 6 (1)
Number of text pages:
4 (1) · 5 (1) · 6 (2) · 7 (1) · 8 (1)
Number of claims:
None (1) · 1 (1) · 14 (1) · 23 (1) · 39 (1) · 58 (1)
Number of diagram pages:
1 (1) · 2 (1) · 3 (2) · 5 (1) · 7 (1)
Number of figures:
7 - 16 (6)

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