US3144828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spin-stabilized rocket projectile
Assignee: Rheinmetall Industrie AG
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Filing: 1963-06-21
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Granted: 1964-08-18
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Wehlow Karl-Otto
- 👤 Woyt Fritz
- 👤 Renner Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:35
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/30; F02K7/00; F02K7/10; F02K7/18; F42; F42B; F42B10/00; F42B10/02; F42B10/26; F42B10/28; F42B10/30; F42B12/00; F42B12/02; F42B12/04; F42B12/10; F42B12/12; F42B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A SPIN-STABILIZED ROCKET PROJECTILE COMPRISING IN COMBINATION A SPIN-SENSITIVE PORTION, A FIRST ANNULAR COMBUSTION CHAMBER FORMING A STARTING PROPULSION UNIT FOR SAID PROJECTILE, SAID FIRST CHAMBER SURROUNDING SAID PORTION AND FIXED THERETO, AND A SECOND ANNULAR COMBUSTION CHAMBER FORMING A CRUISING PROPULSION UNIT FOR SAID PROJECTILE AND ALSO SURROUNDING SAID PORTION, THE CENTRES OF GRAVITY OF SAID PORTION AND SAID FIRST AND SECOND COMBUSTION CHAMBERS SUBSTANTIALLY COINCIDENT AND THE RATIO OF AXIAL MOMENT OF INERTIA TO TRANSVERSE MOMENT OF IN-
Claim 2
Dependent Claim
80 words
A SPIN-STABILIZED ROCKET PROJECTILE COMPRISING IN COMBINATION A SPIN-SENSITIVE PORTION, A FIRST ANNULAR COMBUSTION CHAMBER FORMING A STARTING PROPULSION UNIT FOR SAID PROJECTILE, SAID FIRST CHAMBER SURROUNDING SAID PORTION AND FIXED THERETO, AND A SECOND ANNULAR COMBUSTION CHAMBER FORMING A CRUISING PROPULSION UNIT FOR SAID PROJECTILE AND ALSO SURROUNDING SAID PORTION, THE CENTRES OF GRAVITY OF SAID PORTION AND SAID FIRST AND SECOND COMBUSTION CHAMBERS SUBSTANTIALLY COINCIDENT AND THE RATIO OF AXIAL MOMENT OF INERTIA TO TRANSVERSE MOMENT OF IN-
References Cited (Backward Citations)
GB516818A
Cited
US2519878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |