Drilldown: Patents

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Patents > Applicant firm: None & Filing date: February 1918 & Number of diagram pages: 2-3

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Year filed:
(There are no values for this filter)
Year granted:
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Office:
DE (1) · FR (2) · GB (5) · US (1)
Inventors:
Calvin Pearson (1) · Claude Grahame-White (1) · Clyde C. Neiswander (1) · Dermot Joseph Mooney (1) · Émile Letord (1) · George Celestine St. Louis (1) · George Hodges (1) · Harold Ingram Sidgwick (1) · Linton Chorley Hope (1) · Louis-Albert Aveline (1) · Michel Schleiffer (1) · Percy John Waldram (1) · Robert-Jean-Baptiste Malsergent (1)
Inventor country:
FR (3) · GB (2) · GB:GB (1) · NZ (1) · US (2)
Inventor location:
None (9)
Applicant person:
Calvin Pearson (1) · Claude Grahame-White (1) · Clyde C. Neiswander (1) · Dermot Joseph Mooney (1) · Émile Letord (1) · George Celestine St. Louis (1) · George Hodges (1) · Harold Ingram Sidgwick (1) · Linton Chorley Hope (1) · Louis-Albert Aveline (1) · Michel Schleiffer (1) · Percy John Waldram (1) · Robert-Jean-Baptiste Malsergent (1)
Applicant firm: (Click arrow to add another value)
Applicant type:
INDIV (9)
Applicant is inventor:
Yes (9)
Tech fields:
None (9)
Filing date:
February 6, 1918 (1) · February 9, 1918 (1) · February 15, 1918 (2) · February 22, 1918 (1) · February 23, 1918 (1) · February 25, 1918 (1) · February 27, 1918 (2)
Full specification filed date:
August 23, 1918 (1) · August 27, 1918 (1)
Application number:
216018 (1) · 21912618 (1) · 236918 (1) · 317618 (1) · 324718 (1) · 343818 (1) · 495039D (1) · 496238D (1) · SC052670 (1)
Grant date:
1918 (1) · 1919 (7) · 1925 (1)
Granted:
Yes (9)
Publication date:
None (6) · 1919 (2) · 1925 (1)
Supplementary to patent:
None (9)
Related to aircraft:
1 (6) · Partially (1) · Yes (2)
Patent agent:
None (1) · Brewer & Son (1) · C. C. Shepherd (1) · H. A. Gill & Co. (1) · J. D. Roots & Co. (1) · J. Germain (1) · Kilurn & Strode (1) · Lavoix et Mosès (1) · None (1)
Assigned to:
None (9)
National tech categories:
None (6) · DE 77h.5 (1) · FR 6.4 (2)
IPCs:
None (1) · IPC B64C1/00 (1) · IPC B64C1/08 (1) · IPC B64C11/00 (1) · IPC B64C13/24 (1) · IPC B64C17/00 (1) · IPC B64C3/18 (1) · IPC B64C35/00 (1) · IPC B64C37/00 (1) · IPC CPC B64C13/00 (1)
CPCs:
CPC B64C1/08 (1) · CPC B64C11/00 (1) · CPC B64C13/00 (1) · CPC B64C13/24 (1) · CPC B64C17/00 (1) · CPC B64C2700/6218 (1) · CPC B64C2700/6259 (1) · CPC B64C3/18 (1) · CPC B64C35/00 (1) · CPC B64C37/00 (1) · CPC B64C39/005 (1) · CPC B64D2700/62692 (1)
Family year:
(There are no values for this filter)
First filing:
No (1) · Yes (8)
Cites these patents:
None (9)
Citations from after 1930:
None (1) · 1 (3)
Number of text pages:
2 (2) · 3 (4) · 5 (1) · 7 (1) · 8 (1)
Number of claims:
1 - 4 (3) · 4 - 20 (6)
Number of diagram pages:
2 (6) · 3 (3)
Number of figures:
4 - 6 (3) · 6 - 13 (6)

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