Patent US-1914-1121323

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Year filed 1912
Year granted 1914
Office US
Patent number 1121323
Inventors Frank C BERTKE
Inventor country US
Applicant person BERTKE FRANK C
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1912-11-21
Full specification filed date
Application number 1912732723
Grant date 1914-12-15
Granted? 1
Publication date
Supplementary to patent
Related to aircraft?
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B62C5/04
Family year 1912
First filing? 1
Cites these patents
Citations from after 1930
Application ID 47679289
INPADOC family ID 44020710
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources