US3115010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for container
Assignee: ATK Launch Systems LLC
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Filing: 1960-12-12
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Granted: 1963-12-24
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Expires: 1980-12-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Collier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:23
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/978
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
163 words
A ROCKET ENGINE OF THE TYPE HAVING A CHAMBER WITH A SOLID PROPELLANT THEREIN AND A NOZZLE WITH A DIVERGING SECTION AT ONE END OF THE CHAMBER, THE COMBINATION WITH SAID ROCKET ENGINE OF A CLOSURE IN THE DIVERGING SECTION OF SAID NOZZLE FOR SEALING THE COMBUSTION CHAMBER AND PROPELLANT CHARGE THEREIN TO MAINTAIN A PRESSURE THEREIN DIFFERENT FROM THE AMBIENT ATMOSPHERE COMPRISING AN ANNULAR MOUNTING MEMBER HAVING A RIM OF A CONTOUR TO CLOSELY FIT THE WALL OF THE NOZZLE, A SEALING CEMENT BETWEEN THE RIM OF THE ANNULAR MEMBER AND WALL OF THE NOZZLE, A REMOVABLE PLUG IN THE ANNULAR MOUNTING MEMBER, MEANS FOR DETACHABLY CONNECTING AND SEALING THE PLUG TO THE MOUNTING MEMBER, AND A PASSAGEWAY EXTENDING THROUGH THE PLUG AND HAVING A CHECK VALVE THEREIN TO AUTOMATICALLY CLOSE AND SEAL THE PASSAGEWAY WHEREBY TO SEAL THE COMBUSTION CHAMBER OF THE ROCKET ENGINE WHILE PERMITTING THE REMOVAL OF THE PLUG FOR INSPECTION OF THE COMBUSTION CHAMBER AND PROPELLANT CHARGE THEREIN.
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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |