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US143084A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in jeweler s drilling devices

Assignee: —
•
Filing: —
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Granted: 1873-09-23
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Expires: 1890-09-23
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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 2026-10-25 10:00
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/06; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1527

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) 1876-09-22 1877-03-24 1877-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1880-09-22 1881-03-24 1881-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1884-09-22 1885-03-24 1885-09-23 $7700.00 Window Closed / Lapsed

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