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US2556481A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic jack

Assignee: EARL LINCOLN
•
Filing: 1945-12-06
•
Granted: 1951-06-12
•
Expires: 1965-12-06
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Abstract

No abstract record available.

Inventors

  • 👤 Nilson Harold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 04:58
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2064445A Cited
US1387674A Cited
US1706309A Cited
US1721189A Cited
US1763404A Cited
US2003756A Cited
US2085529A Cited
US2146403A Cited
US2254084A Cited
US2434949A Cited
US2395720A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-06-11 1954-12-11 1955-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-06-11 1958-12-11 1959-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-06-11 1962-12-11 1963-06-12 $7700.00 Window Closed / Lapsed

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