US3215041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain locked nozzle for recoilless weapons
Assignee: Individual
•
Filing: 1964-04-30
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Granted: 1965-11-02
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Francis W Dietsch
- 👤 Andrew J Grandy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:21
CPC Classifications
F; F41; F41A; F41A1/00; F41A1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A BREECHLESS, RECOILLESS WEAPON HAVING A PROJECTILE PROVIDED WITH A VENTURI NOZZLE SECURED TO AN END OF SAID PROJECTILE, A PROPELLANT CHARGE CARRIED BY SAID PROJECTILE AND MEANS FOR IGNITING SAID PROPELLANT TO FIRE SAID WEAPON AND PROJECTILE, THE COMBINATION THEREWITH OF THE IMPROVEMENT ENABLING SAID NOZZLE TO BE RELEASED BY PRESSURE OF SAID PROPELLANT AND YET HELD BY SAID GUN UNTIL AFTER SAID PROJECTILE HAS BEEN RELEASED FROM SAID NOZLE, SAID IMPROVEMENT INCUDING SAID NOZZLE BEING OF A THIN EXPANSIBLE METAL PROVIDED WITH A SHALLOW BUT SECURE FLANGE, GROOVE MEANS AT A FORWARD PORTION OF SAID NOZZLE FOR HOLDING THE SAME ATTACHED TO SAID PROJECTILE, SAID WEAPON PROVIDED WITH AN INTERNAL GROOVE SUBSTANTIALLY RADIALLY ALIGNED WITH SAID FLANGE, AND SAID FLANGE BEING OF A SIZE OF ENGAGEMENT IN SAID WEAPON GROOVE, A FORWARD WALL OF SAID WEAPON GROOVE EXTENDING RADIALLY INWARD
Claim 2
Dependent Claim
143 words
IN A BREECHLESS, RECOILLESS WEAPON HAVING A PROJECTILE PROVIDED WITH A VENTURI NOZZLE SECURED TO AN END OF SAID PROJECTILE, A PROPELLANT CHARGE CARRIED BY SAID PROJECTILE AND MEANS FOR IGNITING SAID PROPELLANT TO FIRE SAID WEAPON AND PROJECTILE, THE COMBINATION THEREWITH OF THE IMPROVEMENT ENABLING SAID NOZZLE TO BE RELEASED BY PRESSURE OF SAID PROPELLANT AND YET HELD BY SAID GUN UNTIL AFTER SAID PROJECTILE HAS BEEN RELEASED FROM SAID NOZLE, SAID IMPROVEMENT INCUDING SAID NOZZLE BEING OF A THIN EXPANSIBLE METAL PROVIDED WITH A SHALLOW BUT SECURE FLANGE, GROOVE MEANS AT A FORWARD PORTION OF SAID NOZZLE FOR HOLDING THE SAME ATTACHED TO SAID PROJECTILE, SAID WEAPON PROVIDED WITH AN INTERNAL GROOVE SUBSTANTIALLY RADIALLY ALIGNED WITH SAID FLANGE, AND SAID FLANGE BEING OF A SIZE OF ENGAGEMENT IN SAID WEAPON GROOVE, A FORWARD WALL OF SAID WEAPON GROOVE EXTENDING RADIALLY INWARD
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |