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US2713883A Expired / Lapsed US ⏱️ 0.0 years remaining

Screw with reinforced driver socket and coupled lock washer

Assignee: Illinois Tool Works Inc
•
Filing: 1951-04-19
•
Granted: 1955-07-26
•
Expires: 1971-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 Poupitch Ougljesa Jules

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:36
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/24; F16B39/26; Y; Y10; Y10S; Y10S411/00; Y10S411/919; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR721806A Cited
US1726972A Cited
US1909147A Cited
US2227464A Cited
US2270748A Cited
US2391308A Cited
US2537575A Cited
US2588404A Cited
US2557288A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-07-25 1959-01-24 1959-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-07-25 1963-01-24 1963-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-07-25 1967-01-24 1967-07-26 $7700.00 Window Closed / Lapsed

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