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US2561441A Expired / Lapsed US ⏱️ 0.0 years remaining

Control means for dehumidifying apparatus

Assignee: CARGOCAIRE ENGINEERING Corp
•
Filing: 1949-02-04
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Granted: 1951-07-24
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Expires: 1969-02-04
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Abstract

No abstract record available.

Inventors

  • 👤 Lou Wyan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:55
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/56

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2257478A Cited
US2275452A Cited
US2328974A Cited
US2366076A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-23 1955-01-22 1955-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-23 1959-01-22 1959-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-23 1963-01-22 1963-07-24 $7700.00 Window Closed / Lapsed

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