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US3021668A Expired / Lapsed US ⏱️ 0.0 years remaining

Nozzle area control for turbojet engines

Assignee: Bendix Corp
•
Filing: 1957-01-11
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Granted: 1962-02-20
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Expires: 1977-01-11
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Abstract

No abstract record available.

Inventors

  • 👤 Charles S Longstreet

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 04:03
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/15; F02K1/16

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) 1965-02-19 1965-08-21 1966-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-02-19 1969-08-21 1970-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-02-19 1973-08-21 1974-02-20 $7700.00 Window Closed / Lapsed

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