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US2240291A Expired / Lapsed US ⏱️ 0.0 years remaining

Furnace for roasting corn flakes or the like loose discrete materials

Assignee: Baker Perkins Inc
•
Filing: 1940-04-01
•
Granted: 1941-04-29
•
Expires: 1960-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Engels Eugene Oscar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:36
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/20; F26B21/25; F26B23/00; F26B23/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1944-04-28 1944-10-28 1945-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-04-28 1948-10-28 1949-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-04-28 1952-10-28 1953-04-29 $7700.00 Window Closed / Lapsed

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