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US2954445A Expired / Lapsed US ⏱️ 0.0 years remaining

Dehumidifying unit control means and method of making the same

Assignee: Individual
•
Filing: 1958-11-14
•
Granted: 1960-09-27
•
Expires: 1978-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Robert F Hargreaves

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:36
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F2003/144

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US980950A Cited
US1712204A Cited
US2137797A Cited
US2191630A Cited
US2265767A Cited
US2742541A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-09-27 1964-03-28 1964-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-09-27 1968-03-28 1968-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-09-27 1972-03-28 1972-09-27 $7700.00 Window Closed / Lapsed

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