Drilldown: Patents

Patents > Year granted: 1880 - 1889 & Number of text pages: 5-30 & Number of diagram pages: 5

Use the filters below to narrow your results.

Year filed:

1881 (1) · 1887 (1) · 1888 (1)

Year granted:

1883 (1) · 1887 (1) · 1889 (1)

Office:

DE (1) · US (2)

Inventors:

Albert Livingstone Blackman (1) · Gustav Sander (1) · Reuben Jasper Spalding (1)

Inventor country:

DE (1) · US (2)

Applicant person:

None (1) · Albert Livingstone Blackman (1) · Gustav Sander (1)

Applicant firm:

None (3)

Applicant type:

None (1) · INDIV (2)

Applicant is inventor:

Yes (3)

Tech fields:

None (1) · flapping (1) · human-powered (1) · hybrid (1) · leather (1) · LTA (2) · ornithopter (1) · piloting (1) · texture (1)

Filing date:

1881 (1) · 1887 (1) · 1888 (1)

Full specification filed date:

None (3)

Application number:

None (3)

Grant date:

1883 (1) · 1887 (1) · 1889 (1)

Granted:

Yes (3)

Publication date:

None (3)

Supplementary to patent:

None (2) · Patent US-1880-224510 (1) · Patent US-1881-250417 (1)

Related to aircraft:

0 (1) · Yes (2)

Patent agent:

None (1) · Charles Raettig (1) · Munn & Co. (1)

Assigned to:

None (3)

National tech categories:

None (1) · DE 77 (1) · USPC 244/151R (1) · USPC 244/28 (1) · USPC 244/64 (1)

IPCs:

None (3)

CPCs:

None (1) · CPC B64B1/00 (1) · CPC G10B3/06 (1)

Family year:

1881 (1) · 1887 (1) · 1888 (1)

First filing:

Yes (3)

Cites these patents:

None (3)

Citations from after 1930:

None (1)

Number of text pages:

6 (1) · 7 (1) · 8 (1)

Number of claims:

4 (1) · 10 (1) · 20 (1)

Number of diagram pages:

5 (3)

Number of figures:

13 (1) · 14 (1) · 33 (1)

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