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US2441925A Expired / Lapsed US ⏱️ 0.0 years remaining

Centering device

Assignee: Oilgear Co
•
Filing: 1944-11-09
•
Granted: 1948-05-18
•
Expires: 1964-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Ervin C Wege

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:16
CPC Classifications
B; B21; B21K; B21K27/00; B21J; B21J13/00; B21J13/08; B21J13/10; B27; B27L; B27L1/00; Y; Y10; Y10T; Y10T82/00; Y10T82/27

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US69577A Cited
US198327A Cited
US726425A Cited
US1350782A Cited
GB369364A Cited
US2343167A Cited
US2399824A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-05-18 1951-11-17 1952-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-05-18 1955-11-17 1956-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-05-18 1959-11-17 1960-05-18 $7700.00 Window Closed / Lapsed

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