US3107487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1960-08-12
•
Granted: 1963-10-22
•
Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Schaafsma Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:30
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
170 words
A ROCKET MOTOR COMPRISING: A HOLLOW CYLINDRICAL CASING HAVING A FORWARD AND REARWARD PORTION AND A LONGITUDINAL AXIS, A NOZZLE FIXEDLY ATTACHED AND OPERATIVELY ASSOCIATED WITH THE REARWARD PORTION OF SAID CASING, A PLURALITY OF SUBSTANTIALLY CYLINDRICALLY-SHAPED MAIN PROPELLANT CHARGES RECEIVED BY SAID CASING AND ARRANGED IN END-TOEND RELATIONSHIP FROM THE FORWARD PORTION TO THE REARWARD PORTION OF SAID CASING AND CONCENTRIC WITH THE CASING LONGGITUDINAL AXIS, A FIRST PERFORATED PLATE CENTRALLY RECEIVED BY SAID CASING AND POSITIONED BETWEEN AND ABUTTING THE SAID PLURALITY OF MAIN PROPELLANT CHARGES, EACH OF SAID MAIN PROPELLANT CHARGES HAVING A PASSAGEWAY THERETHROUGH CONCENTRIC WITH THE CASING LONGITUDINAL AXIS, A BOOSTER PROPELLANT CHARGE RECEIVED WITHIN A MAIN PROPELLANT PASSAGEWAY AND POSITIONED IN THE FORWARD PORTION OF SAID CASING, SAID BOOSTER CHARGE ABUTTING SAID FIRST PLATE, A SECOND PERFORATED PLATE RECEIVED IN THE FORWARD PORTION OF SAID CASING AND FIXEDLY ATTACHED THERETO, SAID SECOND PLATE ABUTING SAID MAIN PROPELLANT CHARGE AND THE BOOSTER PROPELLANT CHARGE, AND AN IGNITER MEANS IN JUXTAPOSITION TO SAID BOOSTER PROPELLANT CHARGE.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |