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US148795A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in coating iron and steel

Assignee: —
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Filing: —
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Granted: 1874-03-17
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Expires: 1891-03-17
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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 2026-10-24 14:19
CPC Classifications
B; B21; B21B; B21B45/00; C; C23; C23C; C23C26/00; C23C30/00; B21B1/00; B21B1/38; B21B2001/383

Claims Analysis

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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) 1877-03-16 1877-09-15 1878-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1881-03-16 1881-09-15 1882-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1885-03-16 1885-09-15 1886-03-17 $7700.00 Window Closed / Lapsed

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