Patent US3141297A successfully refreshed from Google Patents.
US3141297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable jet nozzle
Assignee: Continental Aviation and Engineering Corp
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Filing: 1961-08-21
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Granted: 1964-07-21
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 James J Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:45
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A NOZZLE STRUCTURE FOR USE IN A JET ENGINE HAVING A TURBINE AND AN AFTERBURNER POSITIONED DOWNSTREAM FROM SAID TURBINE, SAID NOZZLE STRUCTURE COMPRISING (A) A MAIN JET NOZZLE STRUCTURE HAVING AN OUTLET OF A PREDETERMINED AREA DESIGNED FOR THE MOST EFFICIENT OPERATION OF SAID ENGINE DURING OPERATION OF SAID AFTERBURNER, (B) A DISPOSABLE JET NOZZLE HAVING AN OUTLET OF A PREDETERMINED AREA DESIGNED FOR THE MOST EFFICIENT OPERATION OF SAID ENGINE WITHOUT OPERATION OF SAID AFTERBURNER, (C) MEANS FOR DETACHABLY SECURING SAID DISPOSABLE JET NOZZLE TO SAID MAIN JET NOZZLE, SAID MEANS COMPRISING A FLEXIBLE STEEL CABLE LACED BETWEEN SAID MAIN JET NOZZLE AND SAID DISPOSABLE JET NOZZLE, (D) MEANS SELECTIVELY OPERABLE TO DETACH SAID DISPOSABLE JET NOZZLE FROM SAID MAIN JET NOZZLE, SAID MEANS COMPRISING AN ANVIL WIRE CUTTER OPERABLE TO SEVER SAID CABLE, AND (E) A CABLE SLACK TAKE UP DEVICE CARRIED BY SAID MAIN JET NOZZLE AND BEING OPERABLE TO ENGAGE SAID CABLE AND TO TIGHTEN THE LACED CABLE TO SECURELY ATTACH SAID DISPOSABLE NOZZLE TO SAID MAIN JET NOZZLE.
Claim 2
Dependent Claim
174 words
A NOZZLE STRUCTURE FOR USE IN A JET ENGINE HAVING A TURBINE AND AN AFTERBURNER POSITIONED DOWNSTREAM FROM SAID TURBINE, SAID NOZZLE STRUCTURE COMPRISING (A) A MAIN JET NOZZLE STRUCTURE HAVING AN OUTLET OF A PREDETERMINED AREA DESIGNED FOR THE MOST EFFICIENT OPERATION OF SAID ENGINE DURING OPERATION OF SAID AFTERBURNER, (B) A DISPOSABLE JET NOZZLE HAVING AN OUTLET OF A PREDETERMINED AREA DESIGNED FOR THE MOST EFFICIENT OPERATION OF SAID ENGINE WITHOUT OPERATION OF SAID AFTERBURNER, (C) MEANS FOR DETACHABLY SECURING SAID DISPOSABLE JET NOZZLE TO SAID MAIN JET NOZZLE, SAID MEANS COMPRISING A FLEXIBLE STEEL CABLE LACED BETWEEN SAID MAIN JET NOZZLE AND SAID DISPOSABLE JET NOZZLE, (D) MEANS SELECTIVELY OPERABLE TO DETACH SAID DISPOSABLE JET NOZZLE FROM SAID MAIN JET NOZZLE, SAID MEANS COMPRISING AN ANVIL WIRE CUTTER OPERABLE TO SEVER SAID CABLE, AND (E) A CABLE SLACK TAKE UP DEVICE CARRIED BY SAID MAIN JET NOZZLE AND BEING OPERABLE TO ENGAGE SAID CABLE AND TO TIGHTEN THE LACED CABLE TO SECURELY ATTACH SAID DISPOSABLE NOZZLE TO SAID MAIN JET NOZZLE.
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |