Patent US991457A successfully refreshed from Google Patents.
Patent US3084600A successfully refreshed from Google Patents.
US3084600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket launchers
Assignee: Atlantic Research Corp
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Filing: 1961-02-01
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Granted: 1963-04-09
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Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 John B Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:42
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A LAUNCHING PISTON ASSEMBLY TO BE RELEASABLY COUPLED TO OUTWARDLY PROJECTING ELEMENTS OF A ROCKET DEVICE TO BE LOCATED IN AN ELONGATED LAUNCHER TUBE BETWEEN A REAR BREECH END AND AN EXIT END THEREOF, AND TO RESPOND TO PRESSURE OF ENTRAPPED GASES REARWARDLY OF THE LAUNCHING PISTON ASSEMBLY TO IMPART ADDITIONAL LAUNCHING THRUST TO THE ROCKET, THEREBY ASSISTING THE REACTION THRUST OF THE ROCKET MOTOR IN EXPELLING THE ROCKET FROM THE LAUNCHER TUBE, COMPRISING AN INTEGRAL PISTON BODY FOR TRANSVERSELY SPANNING THE LAUNCHER TUBE AND HAVING AN OPENING THEREIN FOR PASSAGE OF EXHAUST GASES FROM THE ROCKET REARWARDLY THERETHROUGH, SAID PISTON BODY FORMING A GAS PRESSURE BARRIER WHICH IS FREELY DISPLACEABLE THROUGH THE LAUNCHER TUBE IN RESPONSE TO GAS PRESSURE REARWARDLY THEREOF, A PLURALITY OF RELEASABLE MOUNTING ROCKING MEMBERS EXTENDING FORWARDLY OF SAID PISTON BODY, BRITTLE CONNECTOR MEMBERS SUPPORTING SAID ROCKING MEMBERS IN A NORMAL COUPLING POSITION ON SAID PISTON BODY, MEANS INTERCOU-
Claim 2
Dependent Claim
153 words
A LAUNCHING PISTON ASSEMBLY TO BE RELEASABLY COUPLED TO OUTWARDLY PROJECTING ELEMENTS OF A ROCKET DEVICE TO BE LOCATED IN AN ELONGATED LAUNCHER TUBE BETWEEN A REAR BREECH END AND AN EXIT END THEREOF, AND TO RESPOND TO PRESSURE OF ENTRAPPED GASES REARWARDLY OF THE LAUNCHING PISTON ASSEMBLY TO IMPART ADDITIONAL LAUNCHING THRUST TO THE ROCKET, THEREBY ASSISTING THE REACTION THRUST OF THE ROCKET MOTOR IN EXPELLING THE ROCKET FROM THE LAUNCHER TUBE, COMPRISING AN INTEGRAL PISTON BODY FOR TRANSVERSELY SPANNING THE LAUNCHER TUBE AND HAVING AN OPENING THEREIN FOR PASSAGE OF EXHAUST GASES FROM THE ROCKET REARWARDLY THERETHROUGH, SAID PISTON BODY FORMING A GAS PRESSURE BARRIER WHICH IS FREELY DISPLACEABLE THROUGH THE LAUNCHER TUBE IN RESPONSE TO GAS PRESSURE REARWARDLY THEREOF, A PLURALITY OF RELEASABLE MOUNTING ROCKING MEMBERS EXTENDING FORWARDLY OF SAID PISTON BODY, BRITTLE CONNECTOR MEMBERS SUPPORTING SAID ROCKING MEMBERS IN A NORMAL COUPLING POSITION ON SAID PISTON BODY, MEANS INTERCOU-
References Cited (Backward Citations)
US2715874A
Cited
US2657630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |