Drilldown: Patents

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Patents > Applicant is inventor: None & Filing date: 1920 & Number of text pages: 2-3

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
FR (3) · GB (5)
Inventors:
None (8)
Inventor country:
DE (8)
Applicant person:
None (8)
Applicant firm:
None (2) · Ago Flugzeugwerke G. m. b. H. (1) · Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Gothaer Waggonfabrik A. G.‎ (2) · Zeppelin-Werke G.m.b.H. (2)
Applicant type:
None (1) · COMPANY (7)
Applicant is inventor: (Click arrow to add another value)
Tech fields:
Airplane (6) · Balloons (1) · cargo (1) · design (1) · Elasticity (1) · engine (1) · Envelope (1) · Fabric (1) · frame (2) · gun (1) · military (1) · motor (1) · passenger (1) · process (1) · safety (1) · seaplane (1) · testing (1) · Texture (1)
Filing date:
February 1920 (1) · June 1920 (1) · July 1920 (5) · November 1920 (1)
Full specification filed date:
None (8)
Application number:
None (8)
Grant date:
June 1920 (1) · August 1920 (1) · September 1920 (1) · December 1920 (1) · May 1921 (1) · June 1921 (2)
Granted:
No (1) · Yes (7)
Publication date:
November 1920 (1) · April 1921 (1) · May 1921 (2)
Supplementary to patent:
None (2) · Patent DE-1915-10-06 AGO Flugzeugwerke G. m. b. H. (1) · Patent DE-1915-339218 (1) · Patent DE-1916-03-04 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1916-349065 (2) · Patent DE-1917-09-23 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1917-306449 (1)
Related to aircraft:
1 (5) · Yes (3)
Patent agent:
None (2) · Jensen & Son (2) · L. N. Reddie (1) · Paul Blum (1) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (1) · W. P. Thompson & Co. (1)
Assigned to:
None (8)
National tech categories:
None (6) · FR 6.4 (2)
IPCs:
IPC B64B1/58 (1) · IPC B64C1/30 (1) · IPC B64C3/00 (2) · IPC B64C3/56 (1) · IPC B64D27/04 (2) · IPC B64D7/02 (1) · IPC B64F1/22 (1) · IPC G01M15/02 (1)
CPCs:
CPC B64B1/58 (1) · CPC B64C1/30 (1) · CPC B64C3/00 (2) · CPC B64C3/56 (1) · CPC B64D27/04 (2) · CPC B64D7/02 (1) · CPC B64F1/221 (1) · CPC G01M15/02 (1)
Family year:
None (2) · 1915 (1) · 1916 (3) · 1918 (1) · 1919 (1)
First filing:
None (5) · No (3)
Cites these patents:
None (8)
Citations from after 1930:
None (8)
Number of text pages:
2 (7) · 3 (1)
Number of claims:
None (1) · 1 (1) · 2 (3) · 3 (1) · 4 (1) · 5 (1)
Number of diagram pages:
None (1) · 1 (6) · 2 (1)
Number of figures:
None (1) · 1 (3) · 2 (2) · 5 (2)

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