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US2668336A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Republic Steel Corp
•
Filing: 1951-03-06
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Granted: 1954-02-09
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Expires: 1971-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 Jones Joseph Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:26
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1792868A Cited
US1778316A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-02-08 1957-08-10 1958-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-02-08 1961-08-10 1962-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-02-08 1965-08-10 1966-02-09 $7700.00 Window Closed / Lapsed

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