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US2491879A Expired / Lapsed US ⏱️ 0.0 years remaining

Terminal construction

Assignee: Thomas A Edison Inc
•
Filing: 1945-03-08
•
Granted: 1949-12-20
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Expires: 1965-03-08
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Abstract

No abstract record available.

Inventors

  • 👤 Hubert M Teague

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:59
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/50; H01M50/543; H01M50/547; H01M50/55; H01M50/552; H01M50/559; H01M50/562; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US421169A Cited
US425818A Cited
US482979A Cited
US695707A Cited
US768175A Cited
US1127935A Cited
US1582567A Cited
US1971275A Cited
GB552647A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-12-19 1953-06-20 1953-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-12-19 1957-06-20 1957-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-12-19 1961-06-20 1961-12-20 $7700.00 Window Closed / Lapsed

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