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US2390967A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for grinding material

Assignee: LINOTYPE PARTS Co
•
Filing: 1942-01-05
•
Granted: 1945-12-11
•
Expires: 1962-01-05
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Abstract

No abstract record available.

Inventors

  • 👤 Swenson Frank
  • 👤 Erikson Erik Iver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:49
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1948-12-10 1949-06-11 1949-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-12-10 1953-06-11 1953-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-12-10 1957-06-11 1957-12-11 $7700.00 Window Closed / Lapsed

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