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US2458472A Expired / Lapsed US ⏱️ 0.0 years remaining

Jaw grinding mechanism for car wheel boring mills

Assignee: General American Transportation Corp
•
Filing: 1945-05-24
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Granted: 1949-01-04
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Expires: 1965-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 Irwin Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 05:10
CPC Classifications
B; B24; B24B; B24B19/00; B24B5/00; B24B5/36; B24B5/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US753911A Cited
US810903A Cited
US1579691A Cited
US1596701A Cited
US1791546A Cited
US2357803A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-01-04 1952-07-05 1953-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-01-04 1956-07-05 1957-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-01-04 1960-07-05 1961-01-04 $7700.00 Window Closed / Lapsed

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