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US2454128A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical system

Assignee: Lanteris Space LLC
•
Filing: 1944-10-24
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Granted: 1948-11-16
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Expires: 1964-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Wilson P Boothroyd

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:39
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03J; H03J7/00; H03J7/02; H03J7/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2137355A Cited
US2282101A Cited
US2367352A Cited
US2369055A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-11-16 1952-05-17 1952-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-11-16 1956-05-17 1956-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-11-16 1960-05-17 1960-11-16 $7700.00 Window Closed / Lapsed

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