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US2775800A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanical movement and rock-over device utilizing the same

Assignee: Osborn Manufacturing Corp
•
Filing: 1955-09-01
•
Granted: 1957-01-01
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Expires: 1975-09-01
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Abstract

No abstract record available.

Inventors

  • 👤 Robert W Ellms

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:07
CPC Classifications
B; B22; B22C; B22C11/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18856

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1243030A Cited
US1157403A Cited
US1456318A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-01 1960-07-02 1961-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-01 1964-07-02 1965-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-01 1968-07-02 1969-01-01 $7700.00 Window Closed / Lapsed

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