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US2982531A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic feeding and heat treating apparatus

Assignee: Midland Ross Corp
•
Filing: 1955-03-28
•
Granted: 1961-05-02
•
Expires: 1975-03-28
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest K Bastress
  • 👤 Clarke C Sykes
  • 👤 Ernest W Weaver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:48
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0024; F27B; F27B7/00; F27B7/20; F27B7/32; F27B7/3205; F27B2007/3276; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B2009/2484

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US847451A Cited
US865203A Cited
US1086843A Cited
US1744273A Cited
US2630312A Cited
US2624561A Cited
US2652141A Cited
US2629482A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-05-01 1964-10-31 1965-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-05-01 1968-10-31 1969-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-05-01 1972-10-31 1973-05-02 $7700.00 Window Closed / Lapsed

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