Drilldown: Patents

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Patents > Applicant firm: None & Filing date: February 1918 & Number of diagram pages: 2

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
DE (1) · FR (1) · GB (3) · US (1)
Inventors:
Calvin Pearson (1) · Clyde C. Neiswander (1) · Dermot Joseph Mooney (1) · Émile Letord (1) · George Celestine St. Louis (1) · Linton Chorley Hope (1) · Michel Schleiffer (1) · Percy John Waldram (1)
Inventor country:
FR (2) · GB (2) · US (2)
Inventor location:
None (6)
Applicant person:
Calvin Pearson (1) · Clyde C. Neiswander (1) · Dermot Joseph Mooney (1) · Émile Letord (1) · George Celestine St. Louis (1) · Linton Chorley Hope (1) · Michel Schleiffer (1) · Percy John Waldram (1)
Applicant firm: (Click arrow to add another value)
Applicant type:
INDIV (6)
Applicant is inventor:
Yes (6)
Tech fields:
None (6)
Filing date:
February 6, 1918 (1) · February 15, 1918 (1) · February 22, 1918 (1) · February 25, 1918 (1) · February 27, 1918 (2)
Full specification filed date:
August 27, 1918 (1)
Application number:
216018 (1) · 21912618 (1) · 317618 (1) · 343818 (1) · 496238D (1) · SC052670 (1)
Grant date:
1918 (1) · 1919 (4) · 1925 (1)
Granted:
Yes (6)
Publication date:
None (4) · 1919 (1) · 1925 (1)
Supplementary to patent:
None (6)
Related to aircraft:
1 (3) · Partially (1) · Yes (2)
Patent agent:
None (1) · Brewer & Son (1) · C. C. Shepherd (1) · H. A. Gill & Co. (1) · J. Germain (1) · None (1)
Assigned to:
None (6)
National tech categories:
None (4) · DE 77h.5 (1) · FR 6.4 (1)
IPCs:
None (1) · IPC B64C1/08 (1) · IPC B64C3/18 (1) · IPC B64C35/00 (1) · IPC B64C37/00 (1) · IPC CPC B64C13/00 (1)
CPCs:
CPC B64C1/08 (1) · CPC B64C13/00 (1) · CPC B64C2700/6259 (1) · CPC B64C3/18 (1) · CPC B64C35/00 (1) · CPC B64C37/00 (1) · CPC B64C39/005 (1)
Family year:
(There are no values for this filter)
First filing:
No (1) · Yes (5)
Cites these patents:
None (6)
Citations from after 1930:
None (4) · 1 (2)
Number of text pages:
2 (2) · 3 (3) · 8 (1)
Number of claims:
1 (1) · 3 (1) · 4 (2) · 6 (1) · 14 (1)
Number of diagram pages:
2 (6)
Number of figures:
4 (3) · 7 (2) · 10 (1)

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