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US2412990A Expired / Lapsed US ⏱️ 0.0 years remaining

Drying oven control

Assignee: Primerica Inc
•
Filing: 1942-07-06
•
Granted: 1946-12-24
•
Expires: 1962-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 Orlin O Kruse

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:01
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F26; F26B; F26B25/00

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) 1949-12-23 1950-06-24 1950-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-12-23 1954-06-24 1954-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-12-23 1958-06-24 1958-12-24 $7700.00 Window Closed / Lapsed

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