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US2780878A Expired / Lapsed US ⏱️ 0.0 years remaining

Web treating apparatus

Assignee: Industrial Ovens Inc
•
Filing: 1955-10-03
•
Granted: 1957-02-12
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Expires: 1975-10-03
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Abstract

No abstract record available.

Inventors

  • 👤 Frank W Sanborn
  • 👤 Alexander V Alexeff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:17
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/02; G03D15/022; B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29D; B29D7/00; D; D21; D21F; D21F5/00; F; F26; F26B; F26B13/00; F26B13/10; B29C71/00; B29L; B29L2007/00; B29L2007/008; B65; B65H; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/517

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2462380A Cited
US2518612A Cited
US2501537A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-02-12 1960-08-13 1961-02-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-02-12 1964-08-13 1965-02-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-02-12 1968-08-13 1969-02-12 $7700.00 Window Closed / Lapsed

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