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US2567466A Expired / Lapsed US ⏱️ 0.0 years remaining

Screw driver

Assignee: Individual
•
Filing: 1946-04-22
•
Granted: 1951-09-11
•
Expires: 1966-04-22
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Bartlett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 07:21
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/001; B25B15/004; B25B15/007; F; F16; F16B; F16B23/00; F16B23/0007; F16B23/0015

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US366158A Cited
US449037A Cited
US819289A Cited
US1345443A Cited
CH85913A Cited
US1479506A Cited
US1997422A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-09-10 1955-03-12 1955-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-09-10 1959-03-12 1959-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-09-10 1963-03-12 1963-09-11 $7700.00 Window Closed / Lapsed

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