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US3051459A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and process for agitating stored grain

Assignee: Individual
•
Filing: 1959-12-24
•
Granted: 1962-08-28
•
Expires: 1979-12-24
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Abstract

No abstract record available.

Inventors

  • 👤 Witzenburg Marion

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 14:41
CPC Classifications
B; B65; B65D; B65D90/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1101201A Cited
US1715235A Cited
US1704263A Cited
US1825119A Cited
US2823587A Cited
US2400204A Cited
US2676002A Cited
US2765157A Cited
US2709220A Cited
US2816495A Cited
US2866422A Cited
US2903077A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-27 1966-02-26 1966-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-27 1970-02-26 1970-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-27 1974-02-26 1974-08-28 $7700.00 Window Closed / Lapsed

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