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US857893A Expired / Lapsed US ⏱️ 0.0 years remaining

Screw-machine.

Assignee: Brown and Sharpe Manufacturing Co
•
Filing: 1902-06-23
•
Granted: 1907-06-25
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Expires: 1922-06-23
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Abstract

No abstract record available.

Inventors

  • 👤 George H Newton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 05:46
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; B23B; B23B7/00; B23B7/02; B23B7/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5159; Y10T29/516; Y10T29/5165; Y10T29/5179; Y10T29/518; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2107; Y10T82/00; Y10T82/25; Y10T82/2552

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) 1910-06-24 1910-12-24 1911-06-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1914-06-24 1914-12-24 1915-06-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1918-06-24 1918-12-24 1919-06-25 $7700.00 Window Closed / Lapsed

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