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US2798764A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermostatic control system

Assignee: General Controls Co
•
Filing: 1953-01-02
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Granted: 1957-07-09
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Expires: 1973-01-02
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Abstract

No abstract record available.

Inventors

  • 👤 William A Ray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:49
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US883159A Cited
GB191011798A Cited
FR526378A Cited
US2392613A Cited
GB574250A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-08 1961-01-07 1961-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-08 1965-01-07 1965-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-08 1969-01-07 1969-07-09 $7700.00 Window Closed / Lapsed

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