Drilldown: Patents

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Patents > Tech fields : box kite or frame

Use the filters below to narrow your results.

Year filed:
1897 (1) · 1898 (1) · 1909 (1) · 1911 (1)
Year granted:
1898 (1) · 1902 (1) · 1911 (2)
Office:
DE (2) · US (2)
Inventors:
Emil Lehmann (1) · F. Gaebert (1) · Paul Schmitt (1) · William D. Burk (1)
Inventor country:
DE (2) · FR (1) · US (1)
Inventor location:
None (1) · Berlin (1) · Montgomery county, Pennsylvania (1) · Paris (1) · Pennsylvania (1) · Willow Grove, Pennsylvania (1)
Applicant person:
None (1) · Emil Lehmann (1) · Paul Schmitt (1) · William D. Burk (1)
Applicant firm:
None (4)
Applicant type:
None (1) · INDIV (3)
Applicant is inventor:
Yes (4)
Tech fields: (Click arrow to add another value)
Filing date:
1897 (1) · 1898 (1) · 1909 (1) · 1911 (1)
Full specification filed date:
None (4)
Application number:
None (1) · 126955D (1) · 1909518899 (1) · 1911626998 (1)
Grant date:
None (1) · 1902 (1) · 1911 (2)
Granted:
Yes (4)
Publication date:
December 8, 1898 (1)
Supplementary to patent:
None (3) · Patent HU-1896-9899 (1)
Related to aircraft:
1 (2) · Yes (2)
Patent agent:
None (2) · Joshua R. H. Potts (1) · Mauro, Cameron, Lewis, and Massie (1)
Assigned to:
None (4)
National tech categories:
DE 77 (1) · DE 77h (1) · USPC 244/66 (1) · USPC 244/93 (1)
IPCs:
None (4)
CPCs:
None (1) · CPC B64C17/00 (1) · CPC B64C23/005 (1) · CPC B64C33/02 (1)
Family year:
1897 (1) · 1898 (1) · 1909 (1) · 1911 (1)
First filing:
No (2) · Yes (2)
Cites these patents:
None (4)
Citations from after 1930:
None (4)
Number of text pages:
2 (2) · 3 (1) · 4 (1)
Number of claims:
1 (1) · 2 (1) · 8 (1) · 13 (1)
Number of diagram pages:
1 (1) · 3 (2) · 5 (1)
Number of figures:
None (1) · 5 (1) · 6 (2)

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