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US2659801A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature control device

Assignee: General Electric Co
•
Filing: 1950-10-06
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Granted: 1953-11-17
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Expires: 1970-10-06
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond N Collins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:00
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/2033; G05D23/2036

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1694264A Cited
US1900596A Cited
US2138731A Cited
US2349849A Cited
US2474679A Cited
US2505565A Cited
US2568435A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-11-16 1957-05-18 1957-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-11-16 1961-05-18 1961-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-11-16 1965-05-18 1965-11-17 $7700.00 Window Closed / Lapsed

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