Patent US3177655A successfully refreshed from Google Patents.
US3177655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor thrust termination and reversal device
Assignee: ATK Launch Systems LLC
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Filing: 1961-01-24
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Granted: 1965-04-13
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Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Roger F White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:12
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A ROCKET MOTOR CONSTRUCTION FOR TERMINATING COMBUSTION THEREIN AT WILL, A WALL DEFINING THE ROCKET COMBUSTION CHAMBER, AN OUTLET PORT FORMED IN SAID WALL AND COMMUNICATING WITH THE ATMOSPHERE, A COVER MOUNTED ON SAID WALL IN A FIRST POSITION AND COVERING SAID PORT TO PERMIT NORMAL OPERATING COMBUSTION PRESSURES WITHIN SAID CHAMBER, SAID COVER BEING MOVABLE IN RESPONSE TO SAID PRESSURES TO A SECOND POSITION TO UNCOVER SAID PORT AND LOWER SAID PRESSURES TO EFFECT TERMINATION OF COMBUSTION IN SAID CHAM-
Claim 2
Dependent Claim
82 words
IN A ROCKET MOTOR CONSTRUCTION FOR TERMINATING COMBUSTION THEREIN AT WILL, A WALL DEFINING THE ROCKET COMBUSTION CHAMBER, AN OUTLET PORT FORMED IN SAID WALL AND COMMUNICATING WITH THE ATMOSPHERE, A COVER MOUNTED ON SAID WALL IN A FIRST POSITION AND COVERING SAID PORT TO PERMIT NORMAL OPERATING COMBUSTION PRESSURES WITHIN SAID CHAMBER, SAID COVER BEING MOVABLE IN RESPONSE TO SAID PRESSURES TO A SECOND POSITION TO UNCOVER SAID PORT AND LOWER SAID PRESSURES TO EFFECT TERMINATION OF COMBUSTION IN SAID CHAM-
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |