Drilldown: Patents

Patents > Filing date: August 28, 1917

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Year filed:

(There are no values for this filter)

Year granted:

1917 (1) · 1921 (1)

Office:

GB (1) · US (1)

Inventors:

Albert Ernest Downing (1) · Harris G. Hooper (1)

Inventor country:

None (1) · US (1)

Inventor location:

None (1) · California (1) · Los Angeles (1) · Los Angeles county (1)

Applicant person:

Albert Ernest Downing (1) · Harris G. Hooper (1)

Applicant firm:

None (2)

Applicant type:

INDIV (2)

Applicant is inventor:

Yes (2)

Tech fields:

None (2)

Filing date:

August 28, 1917 (2)

Full specification filed date:

None (2)

Application number:

1232517 (1) · 18862317 (1)

Grant date:

1918 (1) · 1921 (1)

Granted:

Yes (2)

Publication date:

None (2)

Supplementary to patent:

None (2)

Related to aircraft:

1 (2)

Patent agent:

None (1) · Raymond Ives Blakeslee (1)

Assigned to:

None (2)

National tech categories:

None (2)

IPCs:

None (2)

CPCs:

CPC B64C2700/6233 (1) · CPC B64C3/00 (1) · CPC B64C33/00 (1)

Family year:

(There are no values for this filter)

First filing:

Yes (2)

Cites these patents:

None (2)

Citations from after 1930:

None (2)

Number of text pages:

None (1) · 4 (1)

Number of claims:

None (1) · 6 (1)

Number of diagram pages:

None (1) · 3 (1)

Number of figures:

None (1) · 23 (1)

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