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US2958119A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: CARNEY STANSFIELD CO
•
Filing: 1957-12-03
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Granted: 1960-11-01
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Expires: 1977-12-03
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Abstract

No abstract record available.

Inventors

  • 👤 Stansfield Hamill
  • 👤 Edge James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:35
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2239; B23C5/2252; B23C5/24; B23C5/2472; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1912; Y10T407/1914; Y10T407/192; Y10T407/22; Y10T407/2268

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1460029A Cited
US2327944A Cited
US2328493A Cited
US2418734A Cited
US2648893A Cited
US2690610A Cited
US2630725A Cited
US2773407A Cited
US2823447A Cited
US2770028A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-11-01 1964-05-02 1964-11-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-11-01 1968-05-02 1968-11-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-11-01 1972-05-02 1972-11-01 $7700.00 Window Closed / Lapsed

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