US3253511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Launching process and apparatus
Assignee: Individual
•
Filing: 1961-01-11
•
Granted: 1966-05-31
•
Expires: 1981-01-11
Abstract
No abstract record available.
Inventors
- 👤 Zwicky Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:16
CPC Classifications
F; F41; F41A; F41A1/00; F41A1/08; F41F; F41F3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PROJECTILE PROPULSION SYSTEM COMPRISING A LAUNCHING TUBE HAVING REAR AND FORWARD ENDS AND A REMOVABLE CLOSURE MEMBER AT THE FORWARD END, A PROJECTILE DISPOSED AT THE REAR END OF SAID TUBE AND HAVING A REACTANT CHAMBER WITH A FORWARD ENTRANCE OPENING AND A REARWARD NOZZLE OPENING, SAID OPENINGS COMMUNICATION WITH SAID REACTANT CHAMER; SIAD PROJECTILE HAVING A SEALINGLY MOVABLE FIT IN SAID TUBE; SAID TUBE BEING FILLED WITH A COMBUSTIBLE PROPELLANT GAS DISPOSED TO ENTER SAID REACTANT CHAMBER THROUGH SAID ENTRANCE OPENING WHEREBY REACTION CHAMBER GAS DURING COMBUSTION IN SAID REACTANT CHAMBER EFFECTS PROPULSION OF SAID PROJECTILE BY EXHAUST THROUGH SAID NOZZLE OPENING TO MOVE SAID PROJECTILE THROUGH SAID TUBE FOR EMERGENCE THEREFROM AT SAID FORWARD END THEREOF UPON REMOVAL OF SAID CLOSURE MEMBER, AND A CLOSURE MEANS FOR THE REAR END OF SAID TUBE.
Claim 2
Dependent Claim
136 words
A PROJECTILE PROPULSION SYSTEM COMPRISING A LAUNCHING TUBE HAVING REAR AND FORWARD ENDS AND A REMOVABLE CLOSURE MEMBER AT THE FORWARD END, A PROJECTILE DISPOSED AT THE REAR END OF SAID TUBE AND HAVING A REACTANT CHAMBER WITH A FORWARD ENTRANCE OPENING AND A REARWARD NOZZLE OPENING, SAID OPENINGS COMMUNICATION WITH SAID REACTANT CHAMER; SIAD PROJECTILE HAVING A SEALINGLY MOVABLE FIT IN SAID TUBE; SAID TUBE BEING FILLED WITH A COMBUSTIBLE PROPELLANT GAS DISPOSED TO ENTER SAID REACTANT CHAMBER THROUGH SAID ENTRANCE OPENING WHEREBY REACTION CHAMBER GAS DURING COMBUSTION IN SAID REACTANT CHAMBER EFFECTS PROPULSION OF SAID PROJECTILE BY EXHAUST THROUGH SAID NOZZLE OPENING TO MOVE SAID PROJECTILE THROUGH SAID TUBE FOR EMERGENCE THEREFROM AT SAID FORWARD END THEREOF UPON REMOVAL OF SAID CLOSURE MEMBER, AND A CLOSURE MEANS FOR THE REAR END OF SAID TUBE.
References Cited (Backward Citations)
US2903850A
Cited
US2926613A
Cited
US2962934A
Cited
US2971473A
Cited
US2953065A
Cited
US3043221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |