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US2582900A Expired / Lapsed US ⏱️ 0.0 years remaining

Alcohol heater for refrigerator cars

Assignee: KLAUER Manufacturing Co
•
Filing: 1946-05-10
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Granted: 1952-01-15
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Expires: 1966-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Benedict Louis Allan
  • 👤 William J Klauer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 06:17
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0036; B61D27/0063; F; F23; F23D; F23D11/00; F23D11/36; F23D11/44; F23D2900/00; F23D2900/31022

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-01-14 1955-07-16 1956-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-01-14 1959-07-16 1960-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-01-14 1963-07-16 1964-01-15 $7700.00 Window Closed / Lapsed

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