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US2237183A Expired / Lapsed US ⏱️ 0.0 years remaining

Clutch operating mechanism for automatic screw machines

Assignee: CLEVELAND AUTOMATIC MACHINE Co
•
Filing: 1940-03-04
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Granted: 1941-04-01
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Expires: 1960-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred F Jelinek
  • 👤 Walter E Gross

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:18
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q2705/00; B23Q2705/005; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5159; Y10T29/516; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19405

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) 1944-03-31 1944-09-30 1945-04-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-03-31 1948-09-30 1949-04-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-03-31 1952-09-30 1953-04-01 $7700.00 Window Closed / Lapsed

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