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US2653770A Expired / Lapsed US ⏱️ 0.0 years remaining

Conical grinding mill

Assignee: Individual
•
Filing: 1950-02-20
•
Granted: 1953-09-29
•
Expires: 1970-02-20
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Abstract

No abstract record available.

Inventors

  • 👤 Vicci Orlando

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:14
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US198614A Cited
US232779A Cited
US249127A Cited
US253498A Cited
US281072A Cited
US289033A Cited
US789033A Cited
US1159138A Cited
GB453264A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-09-28 1957-03-30 1957-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-09-28 1961-03-30 1961-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-09-28 1965-03-30 1965-09-29 $7700.00 Window Closed / Lapsed

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