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US1858645A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for handling bulk materials

Assignee: Individual
•
Filing: 1929-12-17
•
Granted: 1932-05-17
•
Expires: 1949-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 Lewis E Smoot

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 16:30
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/0046; B28C7/0053; B28C7/0076

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) 1935-05-17 1935-11-16 1936-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-05-17 1939-11-16 1940-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-05-17 1943-11-16 1944-05-17 $7700.00 Window Closed / Lapsed

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