Patent US3000306A successfully refreshed from Google Patents.
US3000306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid propellant propulsion system
Assignee: General Dynamics Corp
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Filing: 1958-01-09
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Granted: 1961-09-19
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Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Robert F Wenzel
- 👤 Clark E Allardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:33
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/30; F02K9/10; F02K9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A SOLID PROPELLANT PROPULSION SYSTEM FOR USE WITHIN A MISSILE, SAID PROPULSION SYSTEM COMPRISING A MISSILE HOUSING, A SOLID FUEL SUSTAINER CHARGE DISPOSED WITHIN SAID MISSILE HOUSING, A SUSTAINER EXHAUST NOZZLE POSITIONED ADJACENT SAID SUSTAINER CHARGE, A SOLID FUEL BOOST CHARGE POSITIONED ABOUT SAID SUSTAINER EXHAUST NOZZLE AND WITHIN SAID MISSILE HOUSING, MEANS FOR IGNITING SAID SUSTAINER CHARGER, MEANS FOR IGNITING SAID BOOST CHARGE, A PLURALITY OF BOOST EXHAUST NOZZLES ANNULARLY ARRANGED ABOUT SAID SUSTAINER NOZZLE ADJACENT SAID BOOST CHARGE, SAID BOOST EXHAUST NOZZLES BEING CANTED TO PROVIDE FORCE COMPONENTS ACTING BOTH LONGITUDINALLY AND TANGENTIALLY OF SAID MISSILE TO PRODUCE MISSILE ROLL AS WELL AS FORWARD THRUST, AND MEANS ASSOCIATED WITH SAID PROPULSION SYSTEM THROUGH OPERATIVE CONNECTION WITH SAID SUSTAINER CHARGE IGNITION MEANS AND SAID BOOST CHARGE IGNITIONMEANS FOR DELAYING IGNITION OF SAID SUSTAINER CHARGE BY SAID SUSTAINER CHARGE IGNITION MEANS TO PRODUCE A PERIOD OF SUBSTANTIALLY ZERO THRUST BETWEEN A FIRST EXPENDITURE OF SAID BOST CHARGE CONSEQUENT TO IGNITION BY SAID BOOST CHARGE IGNITION MEANS AND SAID IGNITION AND SUBSEQUENT EXPENDITURE OF SAID SUSTAINER CHARGE.
Claim 2
Dependent Claim
176 words
A SOLID PROPELLANT PROPULSION SYSTEM FOR USE WITHIN A MISSILE, SAID PROPULSION SYSTEM COMPRISING A MISSILE HOUSING, A SOLID FUEL SUSTAINER CHARGE DISPOSED WITHIN SAID MISSILE HOUSING, A SUSTAINER EXHAUST NOZZLE POSITIONED ADJACENT SAID SUSTAINER CHARGE, A SOLID FUEL BOOST CHARGE POSITIONED ABOUT SAID SUSTAINER EXHAUST NOZZLE AND WITHIN SAID MISSILE HOUSING, MEANS FOR IGNITING SAID SUSTAINER CHARGER, MEANS FOR IGNITING SAID BOOST CHARGE, A PLURALITY OF BOOST EXHAUST NOZZLES ANNULARLY ARRANGED ABOUT SAID SUSTAINER NOZZLE ADJACENT SAID BOOST CHARGE, SAID BOOST EXHAUST NOZZLES BEING CANTED TO PROVIDE FORCE COMPONENTS ACTING BOTH LONGITUDINALLY AND TANGENTIALLY OF SAID MISSILE TO PRODUCE MISSILE ROLL AS WELL AS FORWARD THRUST, AND MEANS ASSOCIATED WITH SAID PROPULSION SYSTEM THROUGH OPERATIVE CONNECTION WITH SAID SUSTAINER CHARGE IGNITION MEANS AND SAID BOOST CHARGE IGNITIONMEANS FOR DELAYING IGNITION OF SAID SUSTAINER CHARGE BY SAID SUSTAINER CHARGE IGNITION MEANS TO PRODUCE A PERIOD OF SUBSTANTIALLY ZERO THRUST BETWEEN A FIRST EXPENDITURE OF SAID BOST CHARGE CONSEQUENT TO IGNITION BY SAID BOOST CHARGE IGNITION MEANS AND SAID IGNITION AND SUBSEQUENT EXPENDITURE OF SAID SUSTAINER 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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |