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US2200243A Expired / Lapsed US ⏱️ 0.0 years remaining

Air conditioning system

Assignee: Honeywell Inc
•
Filing: 1939-06-07
•
Granted: 1940-05-14
•
Expires: 1959-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Alwin B Newton
  • 👤 James S Locke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:49
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1423; F24F11/00; F24F11/30; F24F11/62; F24F11/63; F24F11/88; F24F2003/1458; F24F2003/1464; F24F2203/00; F24F2203/10; F24F2203/1016; F24F2203/1032; F24F2203/1056; F24F2203/1064; F24F2203/1068; F24F2203/1084; F24F2203/1096

Claims Analysis

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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) 1943-05-14 1943-11-13 1944-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-05-14 1947-11-13 1948-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-05-14 1951-11-13 1952-05-14 $7700.00 Window Closed / Lapsed

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