US3102390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jetevator system design
Assignee: Individual
•
Filing: 1960-03-09
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Granted: 1963-09-03
•
Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Fredrick R Barnet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:11
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/84; F02K9/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN EXHAUST NOZZLE FOR A MISSILE COMPRISING A BODY PORTION HAVING A TAPERED BORE TERMINATING IN A NOZZLE OPENING, AN EXTERIOR SPHERICAL BEARING SURFACE FORMED AT THE END OF THE BODY PORTION, A JETEVATOR MOUNTED ON SAID BEARING SURFACE FOR LIMITED MOVEMENT, MEANS FOR MOVING SAID JETEVATOR RELATIVE TO THE BODY PORTION, A GRAPHITE SEAL MOUNTED ON THE BODY PORTION AND FORMING THE NOZZLE OPENING, SAID SEAL BEING IN CONTACT WITH THE INNER SURFACE OF THE JETEVATOR WHEREBY MOVEMENT OF THE JETEVATOR TO OPERATIVE POSITION COATS THE INNER FACE OF THE JETEVATOR, WHICH AFTER MOVEMENT IS EXPOSED TO THE EXHAUST GASES WITH A COATING OF GRAPHITE.
Claim 2
Dependent Claim
106 words
AN EXHAUST NOZZLE FOR A MISSILE COMPRISING A BODY PORTION HAVING A TAPERED BORE TERMINATING IN A NOZZLE OPENING, AN EXTERIOR SPHERICAL BEARING SURFACE FORMED AT THE END OF THE BODY PORTION, A JETEVATOR MOUNTED ON SAID BEARING SURFACE FOR LIMITED MOVEMENT, MEANS FOR MOVING SAID JETEVATOR RELATIVE TO THE BODY PORTION, A GRAPHITE SEAL MOUNTED ON THE BODY PORTION AND FORMING THE NOZZLE OPENING, SAID SEAL BEING IN CONTACT WITH THE INNER SURFACE OF THE JETEVATOR WHEREBY MOVEMENT OF THE JETEVATOR TO OPERATIVE POSITION COATS THE INNER FACE OF THE JETEVATOR, WHICH AFTER MOVEMENT IS EXPOSED TO THE EXHAUST GASES WITH A COATING OF GRAPHITE.
References Cited (Backward Citations)
CA567048A
Cited
US937533A
Cited
US1155495A
Cited
US2603060A
Cited
US2755620A
Cited
US2779157A
Cited
US2780059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |