Patent US-1920-1332930

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Sources

(This has primarily to do with supporting plans of pressed pulp, structural "ribs", of metal or wood, and various "plastic" materials, such as papier mâché, as key surface material.)

  • Inventor location: Philadelphia, Pennsylvania, USA
  • Inventor occupation: Manufacturer


Year filed 1918
Year granted 1920
Office US
Patent number 1332930
Inventors Joseph Allison Steinmetz
Inventor country US
Applicant person Joseph Allison Steinmetz
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aircraft construction
English title Aircraft construction
Tech fields texture, construction, frame, wings
Filing date January 8, 1918
Full specification filed date
Application number 21088618
Grant date March 9, 1920
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number 210888
Patent agent
Assigned to
National tech categories
IPCs IPC B64C3/00
CPCs CPC B64C3/00
Family year 1918
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 48687093
INPADOC family ID 44360341
Number of text pages 2
Number of diagram pages 1
Number of figures 10
Number of claims 4