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US761334A Expired / Lapsed US ⏱️ 0.0 years remaining

Vertical crushing and grinding mill.

Assignee: Sturtevant Mill Co
•
Filing: 1903-04-29
•
Granted: 1904-05-31
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Expires: 1923-04-29
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas L Sturtevant
  • 👤 Thomas J Sturtevant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 08:33
CPC Classifications
B; B02; B02C; B02C7/00; B02C7/02; B02C7/06

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) 1907-05-31 1907-11-30 1908-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1911-05-31 1911-11-30 1912-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1915-05-31 1915-11-30 1916-05-31 $7700.00 Window Closed / Lapsed

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