Patent US-1899-638081

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Year filed 1898
Year granted 1899
Office US
Patent number 638081
Inventors James A. Walker
Inventor country US
Inventor location
Applicant person James A. Walker
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1898-08-15
Full specification filed date
Application number 1898688657
Grant date 1899-11-28
Granted? 1
Publication date
Supplementary to patent
Related to aircraft?
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C11/006, CPC F05B2260/74
Family year 1898
First filing? 1
Cites these patents
Citations from after 1930
Application ID 46651450
INPADOC family ID 43565970
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources