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US2145222A Expired / Lapsed US ⏱️ 0.0 years remaining

Air conditioning

Assignee: ThyssenKrupp Budd Co
•
Filing: 1936-07-03
•
Granted: 1939-01-24
•
Expires: 1956-07-03
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Abstract

No abstract record available.

Inventors

  • 👤 Walter A Gunter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:15
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0018; B60; B60Q; B60Q3/00; B60Q3/40; B60Q3/41; B60Q3/43; B61D27/009; B60Q2500/00; B60Q2500/20

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) 1942-01-23 1942-07-25 1943-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-01-23 1946-07-25 1947-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-01-23 1950-07-25 1951-01-24 $7700.00 Window Closed / Lapsed

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