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US2745304A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring clip wrench attachment for holding a screw

Assignee: VLIER ENGINEERING Inc
•
Filing: 1954-05-03
•
Granted: 1956-05-15
•
Expires: 1974-05-03
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Abstract

No abstract record available.

Inventors

  • 👤 Paul D Cornelius

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:12
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/001; B25B15/004; B25B15/008; B25B23/00; B25B23/02; B25B23/08; B25B23/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US657176A Cited
US769863A Cited
US849439A Cited
US1505220A Cited
US1558267A Cited
US2632488A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-15 1959-11-14 1960-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-15 1963-11-14 1964-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-15 1967-11-14 1968-05-15 $7700.00 Window Closed / Lapsed

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