Patent US-1921-1390993

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Year filed 1918
Year granted 1921
Office US
Patent number 1390993
Inventors Jean HEPPEL
Inventor country DE
Applicant person JEAN HEPPEL
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Airship
English title Airship
Tech fields
Filing date 1918-09-26
Full specification filed date
Application number 25576318
Grant date 1921-09-20
Granted? 1
Publication date
Supplementary to patent
Related to aircraft?
Serial number 255763
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64B1/62
Family year 1918
First filing? 1
Cites these patents
Citations from after 1930
Application ID 49053931
INPADOC family ID 44610846
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources

Inventor location (imputed from HistPat): Essex county, NJ (FIPSloc=34013),N ewark, NJ