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US2630673A Expired / Lapsed US ⏱️ 0.0 years remaining

Cooling means for variable area nozzles

Assignee: General Electric Co
•
Filing: 1950-09-27
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Granted: 1953-03-10
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Expires: 1970-09-27
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Abstract

No abstract record available.

Inventors

  • 👤 Woll Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:59
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/11; Y; Y02; Y02T; Y02T50/00; Y02T50/60

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB587513A Cited
US2501633A Cited
US2523842A Cited
US2551372A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-03-09 1956-09-08 1957-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-03-09 1960-09-08 1961-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-03-09 1964-09-08 1965-03-10 $7700.00 Window Closed / Lapsed

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