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US2166101A Expired / Lapsed US ⏱️ 0.0 years remaining

Centering means for drilling machine spindles

Assignee: Individual
•
Filing: 1937-01-04
•
Granted: 1939-07-11
•
Expires: 1957-01-04
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Abstract

No abstract record available.

Inventors

  • 👤 Moller Georg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:43
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/24; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/94; Y10T409/00; Y10T409/30; Y10T409/309352

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) 1942-07-10 1943-01-09 1943-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-07-10 1947-01-09 1947-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-07-10 1951-01-09 1951-07-11 $7700.00 Window Closed / Lapsed

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