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US987659A Expired / Lapsed US ⏱️ 0.0 years remaining

Chuck attachment for machine-tools.

Assignee: WELLS BROTHERS Co
•
Filing: 1906-03-24
•
Granted: 1911-03-21
•
Expires: 1926-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Frank O Wells

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 00:31
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/907; Y10T408/91

Claims Analysis

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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) 1914-03-20 1914-09-19 1915-03-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1918-03-20 1918-09-19 1919-03-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1922-03-20 1922-09-19 1923-03-21 $7700.00 Window Closed / Lapsed

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