US3218798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spherical booster
Assignee: Atlantic Research Corp
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Filing: 1963-01-30
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Granted: 1965-11-23
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 James R Macpherson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:46
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/70; F05; F05D; F05D2250/00; F05D2250/20; F05D2250/24; F05D2250/241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A ROCKET MOTOR FOR BURNING A SEMI-SOLID MONOPROPELLANT, COMPRISING A SUBSTANTIALLY SPHERICAL MOTOR CASING, AT LEAST ONE TRANSVERSE PARTITIONING MEMBER WHICH DIVIDES THE INTERIOR OF SAID CASING INTO A PLURALITY OF CHAMBERS FOR RECEIVING SEMI-SOLID MONOPROPELLANT WHEN SAID MOTOR IS IN UPRIGHT POSITION, SAID PARTITION FORMING THE REARWARD WALL OF ONE OF SAID CHAMBERS AND THE FORWARD WALL OF THE NEXT ADJACENT REARWARD CHAMBER, SAID PARTITIONING MEMBER HAVING AT LEAST ONE FORWARDLY-EXTENDING TUBULAR MEMBER OPENING THERETHROUGH, SAID TUBULAR MEMBER TERMINATING AT ITS FORWARD END AT A POINT SPACED REARWARDLY OF THE FORWARD WALL O FTHE CHAMBER IN WHICH SAID TUBULAR MEMBER IS SEATED AND OPENING REARWARDLY INTO THE FORWARD PORTION OF THE NEXT ADJACENT REARWARD CHAMBER, AND AT LEAST ONE REARWARDLY DIRECTRED NOZZLE MEANS FOR VENTING THE COMBUSTION GASES PRODUCED BY BURNING OF SAID SEMI-SOLID MONOPROPELLANT OUT OF SAID ROCKET MOTOR, SAID NOZZLE MEANS BEING IN OPEN COMMUNICATION WITH SAID TUBULAR MEMBER.
Claim 2
Dependent Claim
152 words
A ROCKET MOTOR FOR BURNING A SEMI-SOLID MONOPROPELLANT, COMPRISING A SUBSTANTIALLY SPHERICAL MOTOR CASING, AT LEAST ONE TRANSVERSE PARTITIONING MEMBER WHICH DIVIDES THE INTERIOR OF SAID CASING INTO A PLURALITY OF CHAMBERS FOR RECEIVING SEMI-SOLID MONOPROPELLANT WHEN SAID MOTOR IS IN UPRIGHT POSITION, SAID PARTITION FORMING THE REARWARD WALL OF ONE OF SAID CHAMBERS AND THE FORWARD WALL OF THE NEXT ADJACENT REARWARD CHAMBER, SAID PARTITIONING MEMBER HAVING AT LEAST ONE FORWARDLY-EXTENDING TUBULAR MEMBER OPENING THERETHROUGH, SAID TUBULAR MEMBER TERMINATING AT ITS FORWARD END AT A POINT SPACED REARWARDLY OF THE FORWARD WALL O FTHE CHAMBER IN WHICH SAID TUBULAR MEMBER IS SEATED AND OPENING REARWARDLY INTO THE FORWARD PORTION OF THE NEXT ADJACENT REARWARD CHAMBER, AND AT LEAST ONE REARWARDLY DIRECTRED NOZZLE MEANS FOR VENTING THE COMBUSTION GASES PRODUCED BY BURNING OF SAID SEMI-SOLID MONOPROPELLANT OUT OF SAID ROCKET MOTOR, SAID NOZZLE MEANS BEING IN OPEN COMMUNICATION WITH SAID TUBULAR MEMBER.
References Cited (Backward Citations)
FR1128730A
Cited
US3094072A
Cited
US3001363A
Cited
US3052092A
Cited
US3122884A
Cited
US3121309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |