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US159314A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in machines for forming snap-hooks

Assignee: —
•
Filing: —
•
Granted: 1875-02-02
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Expires: 1892-02-02
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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 2026-11-05 19:16
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/36; F; F16; F16B; F16B15/00; F16B15/06; Y; Y10; Y10T; Y10T29/00; Y10T29/19; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T83/00; Y10T83/444; Y10T83/4594

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) 1878-02-01 1878-08-03 1879-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1882-02-01 1882-08-03 1883-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1886-02-01 1886-08-03 1887-02-02 $7700.00 Window Closed / Lapsed

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