Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Grant date: 1921 & CPCs : CPC B64B1/58 or CPC B64C23/005

Use the filters below to narrow your results.

Year filed:
1915 (2) · 1916 (3) · 1917 (3) · 1918 (4) · 1920 (1)
Year granted:
(There are no values for this filter)
Office:
FR (7) · GB (1) · US (5)
Inventors:
None (1) · Alice K MATTULLATH (1) · Anthony LANZETTA (1) · Antoine Cazanave (1) · Jane-Françoise-Mathilde Giraud (1) · Lazare-Victor-Joseph Duverne (1) · Maurice-Achille Lécuyer (3) · Paul Petres (1) · Robert M. Thompson (1) · Thomas Mill Ritchie (1) · Walter LASAR (1)
Inventor country:
None (3) · DZ (1) · FR (6) · GB (1) · US (2)
Applicant person:
AMERICAN BALSA (1) · ANTHONY LANZETTA (1) · Antoine Cazanave (1) · Bine & Fils (1) · Jane-Françoise-Mathilde Giraud (1) · Lazare-Victor-Joseph Duverne (1) · Maurice-Achille Lécuyer (3) · Paul Petres (1) · Robert M. Thompson (1) · Thomas Mill Ritchie (1) · WALTER LASAR (1)
Applicant firm:
None (13)
Applicant type:
COMPANY (2) · INDIV (11)
Applicant is inventor:
No (2) · Yes (11)
Tech fields:
None (9) · aerodynamics (1) · airplane (2) · airship (1) · ballonet (1) · construction (1) · design (2) · dirigible (1) · HTA (1) · propeller (1) · wings (1)
Filing date:
1915 (2) · 1916 (3) · 1917 (3) · 1918 (4) · 1920 (1)
Full specification filed date:
None (13)
Application number:
None (1) · 1863018 (1) · 20366417 (1) · 22286D (1) · 22303D (1) · 22763218 (1) · 23451D (1) · 23452D (1) · 25939118 (1) · 26520518 (1) · 521764D (1) · 525800D (1) · 526486D (1)
Grant date:
January 1921 (4) · February 1921 (1) · March 1921 (1) · May 1921 (1) · June 1921 (3) · September 1921 (1) · November 1921 (1) · December 1921 (1)
Granted:
Yes (13)
Publication date:
May 1921 (1) · June 1921 (1) · July 1921 (1) · September 1921 (1) · October 1921 (1) · November 1921 (2)
Supplementary to patent:
None (9) · Patent FR-1915-525800 (2) · Patent FR-1916-491738 (1) · Patent FR-1916-502873 (1)
Related to aircraft:
None (3) · 1 (4) · Yes (6)
Patent agent:
None (8) · E. Wattier (1) · G. Wright Arnold (1) · H. G. Law (1) · Harry Jacobson (1) · M. Zerolo (1)
Assigned to:
None (13)
National tech categories:
None (6) · FR 6.4 (7)
IPCs:
None (3) · IPC B64B1/58 (1) · IPC B64C23/00 (9)
CPCs: (Click arrow to add another value)
Family year:
1915 (3) · 1916 (5) · 1917 (1) · 1918 (4)
First filing:
No (2) · Yes (11)
Cites these patents:
None (13)
Citations from after 1930:
None (1) · 2 (1)
Number of text pages:
None (3) · 2 (4) · 3 (1) · 4 (3) · 5 (1) · 6 (1)
Number of claims:
None (3) · 1 (3) · 2 (3) · 4 (1) · 5 (2) · 12 (1)
Number of diagram pages:
None (3) · 1 (2) · 2 (4) · 3 (2) · 4 (1) · 5 (1)
Number of figures:
None (3) · 3 - 5 (3) · 5 - 12 (7)

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