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US2890612A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic ratchet wrench

Assignee: Individual
•
Filing: 1956-06-15
•
Granted: 1959-06-16
•
Expires: 1976-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony J Sergan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:44
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/004; B25B21/005; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1488; Y10T74/15; Y10T74/1558; Y10T74/1577; Y10T74/1579

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1673078A Cited
US1613328A Cited
US2311443A Cited
US2112693A Cited
US2508568A Cited
US2682175A Cited
US2708345A Cited
US2729997A Cited
US2708383A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-06-15 1962-12-15 1963-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-06-15 1966-12-15 1967-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-06-15 1970-12-15 1971-06-16 $7700.00 Window Closed / Lapsed

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