Patent US-1881-252299

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Interlocking bars for even surface and circulation of air

  • Inventor location: Saugerties, Ulster county, NY (FIPSloc=36111 imputed by HistPat)
  • Assigned to=Howard Finger, also of Saugerties, NY
  • Assigned CPC categories are nonsense; something about semiconductors. Template:Misclassification

Sources


Year filed 1881
Year granted 1882
Office US
Patent number 252299
Inventors Thomas F. Van Keuren
Inventor country US
Inventor location New York
Applicant person Howard Finger
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Grate-bar
English title Grate-bar
Tech fields
Filing date 1881-11-09
Full specification filed date
Application number
Grant date 1882-01-10
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 0
Serial number
Patent agent F. C. Somes
Assigned to Howard Finger
National tech categories
IPCs
CPCs
Family year 1881
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 1
Number of diagram pages 1
Number of figures 2
Number of claims 3