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US283152A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric-circuit track-instrument

Assignee: —
•
Filing: —
•
Granted: 1883-08-14
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Expires: 1900-08-14
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:27
CPC Classifications
B; B61; B61L; B61L1/00; B61L1/02; B61L1/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1886-08-13 1887-02-12 1887-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1890-08-13 1891-02-12 1891-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1894-08-13 1895-02-12 1895-08-14 $7700.00 Window Closed / Lapsed

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