Drilldown: Patents

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Patents > Supplementary to patent: Patent NO-1915-12-15 Carl Alfred Johansson & Cites these patents: None & Number of figures: 1-6

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Year filed:
(There are no values for this filter)
Year granted:
1916 (3) · 1917 (4) · 1918 (1) · 1919 (1)
Office:
CH (1) · DK (2) · FI (1) · FR (1) · GB (1) · HU (1) · US (2)
Inventors:
Carl Alfred Johansson (9)
Inventor country:
NO (9)
Applicant person:
Carl Alfred Johansson (9)
Applicant firm:
None (9)
Applicant type:
INDIV (9)
Applicant is inventor:
Yes (9)
Tech fields:
airplane (3) · automatic stability (6) · design (1) · frame (3) · HTA (2) · stability (9)
Filing date:
January 1916 (4) · February 1916 (1) · May 1916 (1) · December 1916 (2) · February 1917 (1)
Full specification filed date:
None (9)
Application number:
None (4) · 14829717 (1) · 492896D (1) · 58316 (1) · 69873 (1) · 7275916 (1)
Grant date:
None (1) · 1916 (2) · 1917 (4) · 1918 (1) · 1919 (1)
Granted:
Yes (9)
Publication date:
None (4) · 1916 (2) · 1917 (2) · 1919 (1)
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
1 (2) · Yes (7)
Patent agent:
None (6) · Herbert Haddan & Co. (1) · Rigot et Prévost (1) · Wilhelm Reinhard (1)
Assigned to:
None (9)
National tech categories:
None (2) · CH 129b (1) · DE 77 (2) · FR 6.4 (1) · HU V/h (1) · NO 77h (1) · USPC 244/80 (1) · USPC 244/93 (1)
IPCs:
None (6) · IPC B64C17/00 (3)
CPCs:
None (4) · CPC B64C1/26 (1) · CPC B64C17/00 (3) · CPC B64C2700/6214 (2) · CPC B64C3/40 (1)
Family year:
(There are no values for this filter)
First filing:
None (1) · No (7) · Yes (1)
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
None (9)
Number of text pages:
1 (2) · 2 (4) · 3 (3)
Number of claims:
1 (1) · 2 (6) · 4 (2)
Number of diagram pages:
1 (7) · 2 (2)
Number of figures:
2 (4) · 4 (5)

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