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US3139675A Expired / Lapsed US ⏱️ 0.0 years remaining

Tool for locking, unlocking and extracting an expandable blind bolt

Assignee: D Y TRUST
•
Filing: 1960-07-20
•
Granted: 1964-07-07
•
Expires: 1980-07-20
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Abstract

No abstract record available.

Inventors

  • 👤 Devine James Henry
  • 👤 Devine Evelyn Yurcessen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:43
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/488; B25B15/00; B25B15/001; B25B15/004; B25B15/005; B25B27/00; B25B27/0007; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53687

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1227391A Cited
US1424235A Cited
US1973940A Cited
US2046837A Cited
US2194069A Cited
US2525117A Cited
US2764197A Cited
US2789597A Cited
US3021112A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-07 1968-01-06 1968-07-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-07 1972-01-06 1972-07-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-07 1976-01-06 1976-07-07 $7700.00 Window Closed / Lapsed

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