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US2948525A Expired / Lapsed US ⏱️ 0.0 years remaining

Reduction kiln

Assignee: Huntington Alloys Corp
•
Filing: 1957-04-09
•
Granted: 1960-08-09
•
Expires: 1977-04-09
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Abstract

No abstract record available.

Inventors

  • 👤 West De Witt Henry
  • 👤 Townshend Stanley Charles
  • 👤 Simpson Alexander Bowen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:44
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/20; B22F9/22; F; F27; F27B; F27B7/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA496782A Cited
US2135934A Cited
US2392267A Cited
US2663558A Cited
US2603561A Cited
US2747988A Cited
US2784960A Cited
US2757219A Cited
US2829877A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-09 1964-02-08 1964-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-09 1968-02-08 1968-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-09 1972-02-08 1972-08-09 $7700.00 Window Closed / Lapsed

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