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US2699481A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature control apparatus for internal-combustion engines of locomotives and the ike

Assignee: KYSOR HEATOR Co
•
Filing: 1952-07-03
•
Granted: 1955-01-11
•
Expires: 1972-07-03
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Abstract

No abstract record available.

Inventors

  • 👤 David R Ferris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 08:11
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/1906; G05D23/1912

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2092085A Cited
US2296063A Cited
US2355975A Cited
US2379305A Cited
US2338365A Cited
US2496229A Cited
US2562385A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-01-10 1958-07-12 1959-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-01-10 1962-07-12 1963-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-01-10 1966-07-12 1967-01-11 $7700.00 Window Closed / Lapsed

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