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US1385674A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for treating pulverized material

Assignee: Individual
•
Filing: 1912-09-25
•
Granted: 1921-07-26
•
Expires: 1932-09-25
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Abstract

No abstract record available.

Inventors

  • 👤 Fraser George Holt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 15:03
CPC Classifications
B; B02; B02C; B02C23/00

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) 1924-07-25 1925-01-24 1925-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-07-25 1929-01-24 1929-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-07-25 1933-01-24 1933-07-26 $7700.00 Window Closed / Lapsed

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