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US1659211A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for cutting and sifting sand

Assignee: American Foundry Equipment Co
•
Filing: 1922-07-15
•
Granted: 1928-02-14
•
Expires: 1942-07-15
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Abstract

No abstract record available.

Inventors

  • 👤 Verne E Minich
  • 👤 Jr Elmer A Rich
  • 👤 Raymond H Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 01:19
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/04; B22C5/0486; B22C5/049; B22C5/0495; B22C5/06; Y; Y10; Y10S; Y10S241/00; Y10S241/10

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) 1931-02-13 1931-08-15 1932-02-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-02-13 1935-08-15 1936-02-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-02-13 1939-08-15 1940-02-14 $7700.00 Window Closed / Lapsed

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