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US154988A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in car-axle boxes

Assignee: —
•
Filing: —
•
Granted: 1874-09-15
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Expires: 1891-09-15
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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 23:57
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/20; B61F15/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1877-09-14 1878-03-16 1878-09-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1881-09-14 1882-03-16 1882-09-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1885-09-14 1886-03-16 1886-09-15 $7700.00 Window Closed / Lapsed

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