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US2856058A Expired / Lapsed US ⏱️ 0.0 years remaining

Positioning apparatus

Assignee: Jones and Laughlin Steel Corp
•
Filing: 1957-03-04
•
Granted: 1958-10-14
•
Expires: 1977-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 George W Todd
  • 👤 Daniel A Mcisaac

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:00
CPC Classifications
B; B41; B41F; B41F17/00; B41F17/08; B41F17/14; B41F17/20; B41F17/22; B65; B65G; B65G47/00; B65G47/22; B65G47/24; B65G47/248; B65G47/252

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1626555A Cited
US1580188A Cited
US2540554A Cited
US2819670A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-10-13 1962-04-14 1962-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-10-13 1966-04-14 1966-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-10-13 1970-04-14 1970-10-14 $7700.00 Window Closed / Lapsed

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