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US1701423A Expired / Lapsed US ⏱️ 0.0 years remaining

Spindle-releasing device for drilling machines

Assignee: FLEX O IND GmbH
•
Filing: 1926-02-18
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Granted: 1929-02-05
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Expires: 1946-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Sauveur Harry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:06
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/04; Y; Y10; Y10T; Y10T408/00; Y10T408/21

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) 1932-02-05 1932-08-06 1933-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1936-02-05 1936-08-06 1937-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1940-02-05 1940-08-06 1941-02-05 $7700.00 Window Closed / Lapsed

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