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US2763486A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic record changer for various record sizes

Assignee: MILWAUKEE STAMPING Co
•
Filing: 1950-10-23
•
Granted: 1956-09-18
•
Expires: 1970-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 Daniel T Dobrogowski
  • 👤 Ralph M Roen
  • 👤 Robert H Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 22:22
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/18

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1568130A Cited
US1938810A Cited
GB459208A Cited
US2519579A Cited
GB551388A Cited
US2545643A Cited
US2545359A Cited
US2521990A Cited
US2650831A Cited
US2549246A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-09-18 1960-03-19 1960-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-09-18 1964-03-19 1964-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-09-18 1968-03-19 1968-09-18 $7700.00 Window Closed / Lapsed

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