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US2142185A Expired / Lapsed US ⏱️ 0.0 years remaining

Screw

Assignee: UNITED SCREW AND BOLT Corp
•
Filing: 1937-10-08
•
Granted: 1939-01-03
•
Expires: 1957-10-08
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph F Fleg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:30
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0007; Y; Y10; Y10S; Y10S411/00; Y10S411/919

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) 1942-01-02 1942-07-04 1943-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-01-02 1946-07-04 1947-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-01-02 1950-07-04 1951-01-03 $7700.00 Window Closed / Lapsed

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