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US30536A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: —
•
Filing: —
•
Granted: 1860-10-30
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Expires: 1877-10-30
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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 23:36
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/161; B23B39/162; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/385

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) 1863-10-30 1864-04-30 1864-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1867-10-30 1868-04-30 1868-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1871-10-30 1872-04-30 1872-10-30 $7700.00 Window Closed / Lapsed

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