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US1412593A Expired / Lapsed US ⏱️ 0.0 years remaining

Drying machine

Assignee: PHILADELPHIA DRYING MACHINERY
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Filing: 1919-12-18
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Granted: 1922-04-11
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Expires: 1939-12-18
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Abstract

No abstract record available.

Inventors

  • 👤 Allsop Thomas
  • 👤 Walter W Sibson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:51
CPC Classifications
F; F26; F26B; F26B15/00; F26B15/10; F26B15/20; F26B15/22; F26B15/24

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) 1925-04-10 1925-10-10 1926-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1929-04-10 1929-10-10 1930-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1933-04-10 1933-10-10 1934-04-11 $7700.00 Window Closed / Lapsed

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