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US42142A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in army or train wagons

Assignee: —
•
Filing: —
•
Granted: 1864-03-29
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Expires: 1881-03-29
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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 2026-11-03 09:17
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/02

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) 1867-03-29 1867-09-28 1868-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1871-03-29 1871-09-28 1872-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1875-03-29 1875-09-28 1876-03-29 $7700.00 Window Closed / Lapsed

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