US3156372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for the exhaust opening of a jet engine
Assignee: Individual
•
Filing: 1961-12-19
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Granted: 1964-11-10
•
Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 George K Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:29
CPC Classifications
F; F02; F02C; F02C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN COMBINATION, A JET ENGINE HAVING AN ANNULAR JET ENGINE OUTLET END AND A SURROUNDING ANNULAR COWLING PROJECTING BEYOND SAID OUTLET END, SAID OUTLET END BEING DEFINED BY AN ANNULAR WALL THE INSIDE SURFACE OF WHICH TAPERS TO AND TERMINATES AT THE MOUTH OF THE ENGINE OUTLET, A CLOSURE COMPRISING A CIRCULAR PLASTIC RADIALLY DEFORMABLE CLOSURE HAVING AN INNER ANNULAR WALL INSERTABLE WITHIN SAID OUTLET END AND TAPERED IN THE SAME DIRECTION AS SAID SURFACE TO RESILIENTLY BEAR AGAINST THE SURFACE, AND AN OUTER ANNULAR WALL EXTENSION ADAPTED TO FORM A CLOSURE BETWEEN THE ENGINE OUTLET AND COWLING AND TO RESILIENTLY ENGAGE AGAINST THE INSIDE OF THE COWLING.
Claim 2
Dependent Claim
108 words
IN COMBINATION, A JET ENGINE HAVING AN ANNULAR JET ENGINE OUTLET END AND A SURROUNDING ANNULAR COWLING PROJECTING BEYOND SAID OUTLET END, SAID OUTLET END BEING DEFINED BY AN ANNULAR WALL THE INSIDE SURFACE OF WHICH TAPERS TO AND TERMINATES AT THE MOUTH OF THE ENGINE OUTLET, A CLOSURE COMPRISING A CIRCULAR PLASTIC RADIALLY DEFORMABLE CLOSURE HAVING AN INNER ANNULAR WALL INSERTABLE WITHIN SAID OUTLET END AND TAPERED IN THE SAME DIRECTION AS SAID SURFACE TO RESILIENTLY BEAR AGAINST THE SURFACE, AND AN OUTER ANNULAR WALL EXTENSION ADAPTED TO FORM A CLOSURE BETWEEN THE ENGINE OUTLET AND COWLING AND TO RESILIENTLY ENGAGE AGAINST THE INSIDE OF THE COWLING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |