US3017744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant grain and rocket motor
Assignee: Individual
•
Filing: 1957-07-11
•
Granted: 1962-01-23
•
Expires: 1977-07-11
Abstract
No abstract record available.
Inventors
- 👤 James A Jett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:53
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/10; C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A ROCKET MOTOR COMPRISING: A CYLINDRICAL CASE HAVING ONE END CLOSED AND AN EXHAUST NOZZLE POSITIONED IN THE OTHER END; AN IGNITER EXTENDING INTO SAID CASE AT SAID CLOSED END; A CYLINDRICAL INTERNAL-EXTERNAL BURNING GRAIN OF SOLID PROPELLENT POSITIONED WITHIN SAID CASE WITH ITS OUTER WALL SPACED APART A SUBSTANTIAL DISTANCE FROM THE INNER WALL OF SAID CASE; AND A PLURALITY OF RESILIENT BONDING AND SUPPORTING PADS SPACED APART FROM EACH OTHER AROUND THE PERIPHERY OF SAID GRAIN BETWEEN SAID GRAIN AND
Claim 2
Dependent Claim
82 words
A ROCKET MOTOR COMPRISING: A CYLINDRICAL CASE HAVING ONE END CLOSED AND AN EXHAUST NOZZLE POSITIONED IN THE OTHER END; AN IGNITER EXTENDING INTO SAID CASE AT SAID CLOSED END; A CYLINDRICAL INTERNAL-EXTERNAL BURNING GRAIN OF SOLID PROPELLENT POSITIONED WITHIN SAID CASE WITH ITS OUTER WALL SPACED APART A SUBSTANTIAL DISTANCE FROM THE INNER WALL OF SAID CASE; AND A PLURALITY OF RESILIENT BONDING AND SUPPORTING PADS SPACED APART FROM EACH OTHER AROUND THE PERIPHERY OF SAID GRAIN BETWEEN SAID GRAIN AND
References Cited (Backward Citations)
US199723A
Cited
FR395709A
Cited
GB516565A
Cited
US2464181A
Cited
US2515048A
Cited
US2755620A
Cited
GB746214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |