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US2277816A Expired / Lapsed US ⏱️ 0.0 years remaining

Chucking means

Assignee: New Britain Machine Co
•
Filing: 1939-04-20
•
Granted: 1942-03-31
•
Expires: 1959-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Robert S Brown

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:36
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/001; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; B23B2226/00; B23B2226/33; B23B2231/00; B23B2231/20; B23B2231/2048; B23B2231/2062; B23B2231/2081; B23B2231/2086; Y; Y10; Y10S; Y10S279/00; Y10S279/901; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17418; Y10T279/17452; Y10T279/17478

Claims Analysis

Total Claims: 0
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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) 1945-03-30 1945-09-29 1946-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-03-30 1949-09-29 1950-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-03-30 1953-09-29 1954-03-31 $7700.00 Window Closed / Lapsed

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