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US2228337A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking means for collets

Assignee: BENCO MANUFACTURING Co
•
Filing: 1939-06-02
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Granted: 1941-01-14
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Expires: 1959-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Balas George

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 16:43
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; B23B2231/00; B23B2231/20; B23B2231/2027; B23B2231/204; B23B2231/2048; B23B2231/2062; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17418; Y10T279/17452

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) 1944-01-14 1944-07-15 1945-01-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-01-14 1948-07-15 1949-01-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-01-14 1952-07-15 1953-01-14 $7700.00 Window Closed / Lapsed

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