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US2589852A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanical tracking device

Assignee: United States, WAR, Secretary of
•
Filing: 1945-08-08
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Granted: 1952-03-18
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Expires: 1965-08-08
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Abstract

No abstract record available.

Inventors

  • 👤 Horace E Overacker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:13
CPC Classifications
H; H03; H03J; H03J3/00; H03J3/28; F; F16; F16H; F16H35/00; F16H35/02; G; G05; G05G; G05G13/00; G05G7/00; G05G7/12; G05G2700/00; G05G2700/22; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1836; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2104

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1131953A Cited
US1525052A Cited
US2336361A Cited
US2409130A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-03-18 1955-09-17 1956-03-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-03-18 1959-09-17 1960-03-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-03-18 1963-09-17 1964-03-18 $7700.00 Window Closed / Lapsed

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