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US1533409A Expired / Lapsed US ⏱️ 0.0 years remaining

Material working and mixing machine

Assignee: RACINE CONFECTIONERS MACHINERY
•
Filing: 1923-10-22
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Granted: 1925-04-14
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Expires: 1943-10-22
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Abstract

No abstract record available.

Inventors

  • 👤 Willis N Hartshorn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:35
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/02; A23G3/08; A23G1/00; A23G1/04; A23G1/10; B; B01; B01F; B01F35/00; B01F35/90; B01F35/92

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) 1928-04-13 1928-10-13 1929-04-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1932-04-13 1932-10-13 1933-04-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1936-04-13 1936-10-13 1937-04-14 $7700.00 Window Closed / Lapsed

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