US3363508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket launcher
Assignee: Individual
•
Filing: 1965-04-19
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Granted: 1968-01-16
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Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Stahmer Bernhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:08
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
316 words
A VERTICAL ROCKET LAUNCHER HAVING WALLS DEFINING A LAUNCHING TUBE HAVING A VERTICAL OPENING THEREIN, A BOOSTING PLATFORM EXTENDING APPROXIMATELY HORIZONTALLY ACROSS SAID LAUNCHING TUBE FOR RECEIVING THE UNDERSIDE OF A ROCKET THEREON, SAID BOOSTING PLATFORM HAVING OPENING MEANS EXTENDING VERTICALLY THERETHROUGH DISPOSED SO AS TO BE POSITIONED BENEATH NOZZLES OF SAID ROCKET, SAID PLATFORM HAVING SUFFICIENT CLOSING AREA SO AS TO SUBSTANTIALLY PLUG REMAINING SPACE IN SAID TUBE BETWEEN A ROCKET AND SAID TUBE WHEREBY A PRESSURE OF GAS BENEATH SAID PLATFORM WILL TEND TO BOOST SAID PLATFORM, AND POWER MEANS COMPRISING CABLES PERMANENTLY ATTACHED TO SAID PLATFORM DURING OPERATION FOR PULLING UPWARDLY ON SAID PLATFORM, SAID POWER MEANS FURTHER COMPRISING SERIES-WOUND DIRECT CURRENT ELECTRICAL MOTORS AND MEANS DRIVABLY CONNECTING SAID MOTORS TO SAID CABLES, AND SWITCH MEANS PARTIALLY MOUNTED AT AN UPPER POSITION ON SAID LAUNCHING TUBE AND PARTIALLY MOUNTED ON SAID PLATFORM FOR THE OPERATION OF SAID SWITCH MEANS RESPONSIVE TO THE REACHING OF SAID SWITCH MEANS BY SAID PLATFORM DURING THE UPWARD MOVEMENT OF SAID PLATFORM, SAID SWITCH MEANS BEING DISPOSED ABOVE THE LOWER POSITION OF SAID PLATFORM AND CONNECTED TO SAID POWER MEANS WHEREBY WHEN SAID SWITCH MEANS IS OPERATED THIS CUTS OFF SAID POWER MEANS SO THAT SAID POWER MEANS CEASES TO FURTHER RAISE SAID LIFTING PLATFORM, IN FURTHER COMBINATION WITH A ROCKET, SAID SERIES-WOUND DIRECT CURRENT MOTORS BEING OPERATIVELY CORRELATED WITH THE THRUST OF SAID ROCKET WHEREBY SAID PLATFORM CONTINUOUSLY APPLIES LIFTING FORCES TO SAID ROCKET UNTIL POWER TO SAID MOTORS IS CUT OFF BY SAID SWITCH MEANS, SUCH LIFTING FORCES BEING APPLIED IRRESPECTIVE OF THE SPEED OF SAID ROCKET BECAUSE OF THE INHERENT CHARACTERISTICS OF SERIES-WOUND DIRECT CURRENT MOTORS, THE SAID ROCKET EXCEEDING THAT SPEED OF GRAVITY-FREE FALL WITHOUT AIR RESISTANCE WHICH AN OBJECT WOULD ATTAIN IF IT WERE TO FALL THROUGH A DISTANCE EQUAL TO THE DISTANCE OF MOVEMENT OF SAID PLATFORM IN SAID TUBE DURING LAUNCHING.
Claim 2
Dependent Claim
316 words
A VERTICAL ROCKET LAUNCHER HAVING WALLS DEFINING A LAUNCHING TUBE HAVING A VERTICAL OPENING THEREIN, A BOOSTING PLATFORM EXTENDING APPROXIMATELY HORIZONTALLY ACROSS SAID LAUNCHING TUBE FOR RECEIVING THE UNDERSIDE OF A ROCKET THEREON, SAID BOOSTING PLATFORM HAVING OPENING MEANS EXTENDING VERTICALLY THERETHROUGH DISPOSED SO AS TO BE POSITIONED BENEATH NOZZLES OF SAID ROCKET, SAID PLATFORM HAVING SUFFICIENT CLOSING AREA SO AS TO SUBSTANTIALLY PLUG REMAINING SPACE IN SAID TUBE BETWEEN A ROCKET AND SAID TUBE WHEREBY A PRESSURE OF GAS BENEATH SAID PLATFORM WILL TEND TO BOOST SAID PLATFORM, AND POWER MEANS COMPRISING CABLES PERMANENTLY ATTACHED TO SAID PLATFORM DURING OPERATION FOR PULLING UPWARDLY ON SAID PLATFORM, SAID POWER MEANS FURTHER COMPRISING SERIES-WOUND DIRECT CURRENT ELECTRICAL MOTORS AND MEANS DRIVABLY CONNECTING SAID MOTORS TO SAID CABLES, AND SWITCH MEANS PARTIALLY MOUNTED AT AN UPPER POSITION ON SAID LAUNCHING TUBE AND PARTIALLY MOUNTED ON SAID PLATFORM FOR THE OPERATION OF SAID SWITCH MEANS RESPONSIVE TO THE REACHING OF SAID SWITCH MEANS BY SAID PLATFORM DURING THE UPWARD MOVEMENT OF SAID PLATFORM, SAID SWITCH MEANS BEING DISPOSED ABOVE THE LOWER POSITION OF SAID PLATFORM AND CONNECTED TO SAID POWER MEANS WHEREBY WHEN SAID SWITCH MEANS IS OPERATED THIS CUTS OFF SAID POWER MEANS SO THAT SAID POWER MEANS CEASES TO FURTHER RAISE SAID LIFTING PLATFORM, IN FURTHER COMBINATION WITH A ROCKET, SAID SERIES-WOUND DIRECT CURRENT MOTORS BEING OPERATIVELY CORRELATED WITH THE THRUST OF SAID ROCKET WHEREBY SAID PLATFORM CONTINUOUSLY APPLIES LIFTING FORCES TO SAID ROCKET UNTIL POWER TO SAID MOTORS IS CUT OFF BY SAID SWITCH MEANS, SUCH LIFTING FORCES BEING APPLIED IRRESPECTIVE OF THE SPEED OF SAID ROCKET BECAUSE OF THE INHERENT CHARACTERISTICS OF SERIES-WOUND DIRECT CURRENT MOTORS, THE SAID ROCKET EXCEEDING THAT SPEED OF GRAVITY-FREE FALL WITHOUT AIR RESISTANCE WHICH AN OBJECT WOULD ATTAIN IF IT WERE TO FALL THROUGH A DISTANCE EQUAL TO THE DISTANCE OF MOVEMENT OF SAID PLATFORM IN SAID TUBE DURING LAUNCHING.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |