Drilldown: Patents

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Patents > Filing date: April 1918 & Application number : 22761318 or None

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Year filed:
(There are no values for this filter)
Year granted:
1918 (1) · 1919 (4) · 1920 (2) · 1923 (1)
Office:
AT (1) · DE (2) · GB (1) · US (4)
Inventors:
None (1) · Henrik Bier (1) · James Vernon Martin (1) · John W. Miller (1) · Lawrence Burst Sperry (1) · Melville W. Mix (1) · Reinhold Richter (1) · Richard Fitz Power (1)
Inventor country:
DE (2) · GB (1) · HU (1) · US (4)
Inventor location:
None (7) · Indiana (1)
Applicant person:
None (2) · Henrik Bier (1) · James V. Martin (1) · Lawrence Burst Sperry (1) · Melville W. Mix (1) · Reinhold Richter (1) · Richard Fitz Power (1)
Applicant firm:
None (5) · Boeing Airplane Co. (1) · Julius Pintsch A.-G. (1) · Sperry Gyroscope Company (1)
Applicant type:
COMPANY (2) · COMPANY + INDIV (1) · INDIV (5)
Applicant is inventor:
None (1) · No (2) · Yes (5)
Tech fields:
None (8)
Filing date:
April 8, 1918 (2) · April 10, 1918 (1) · April 15, 1918 (1) · April 18, 1918 (1) · April 20, 1918 (2) · April 24, 1918 (1)
Full specification filed date:
November 15, 1918 (1)
Application number: (Click arrow to add another value)
Grant date:
None (2) · 1919 (4) · 1920 (1) · 1923 (1)
Granted:
Yes (8)
Publication date:
February 1920 (1) · June 1920 (1) · May 1922 (1)
Supplementary to patent:
None (7) · Patent AT 1918-03-12 (1) · Patent AT-1918-03-29 (1)
Related to aircraft:
1 (8)
Patent agent:
None (3) · Bathul & Bathul? (1) · Henry L. Reynolds (1) · Herbert H. Thompson (1) · Marks & Spencer (1) · N. S. Amstutz (1)
Assigned to:
None (6) · Boeing Airplane Co. (1) · Sperry Gyroscope Company (1)
National tech categories:
None (4) · AT 77d (1) · DE 77h.15 (1) · DE 77h.5 (1) · USPC 244/235 (1)
IPCs:
None (4) · IPC B64C1/30 (1) · IPC B64C25/50 (1) · IPC B64D27/00 (1) · IPC B64D27/02 (1)
CPCs:
None (2) · CPC B64C1/30 (1) · CPC B64C25/48 (1) · CPC B64C25/50 (1) · CPC B64D27/00 (1) · CPC B64D27/023 (1) · CPC G01C19/38 (1) · CPC Y10T74/1225 (1)
Family year:
(There are no values for this filter)
First filing:
None (3) · No (1) · Yes (4)
Cites these patents:
None (8)
Citations from after 1930:
None (1) · 1 (1) · 5 (1)
Number of text pages:
2 (6) · 3 (2)
Number of claims:
1 - 3 (3) · 3 - 20 (5)
Number of diagram pages:
1 (8)
Number of figures:
2 - 3 (3) · 3 - 8 (5)

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