Self-obturating gas-operated launcher
Abstract
Abstract A SELF-OBTURATING, GAS-OPERATED LAUNCHER PARTICULARLY SUITED FOR USE IN LAUNCHING PROJECTILES IN A DECONTAMINATED MEDIUM, CHARACTERIZED BY THE UTILIZATION OF AN ELONGATED BARREL INCLUDING A RIGID, BARREL-SEALING BREECH BLOCK, A MUZZLE BLOCK HAVING A BORE THROUGH WHICH A PROJECTILE IS EJECTED AND A MALLEABLE SLUG DISPOSED WITHIN THE BARREL ADJACENT TO THE BREECH BLOCK DEFINING AN EXPANDABLE FIRING CHAMBER WITHIN THE BARREL AND ADAPTED TO THE DRIVEN TOWARD THE MUZZLE BLOCK FOR LAUNCHING A PROJECTILE AS A PYROTECHNIC MATERIAL IS IGNITED WITHIN THE CHAMBER, A FEATURE OF THE LAUNCHER BEING A PLURALITY OF OPENINGS FORMED WITHIN THE MUZZLE BLOCK FOR RELIEVING BACK-PRESSURE, AND AN ANNULAR ANVIL CIRCUMSCRIBING THE BORE OF THE MUZZLE BLOCK FOR RECEIVING THE MALLEABLE SLUG IN IMPACTED ENGAGEMENT FOR THUS ACHIEVING AN HERMETIC SEALING OF THE BORE THEREBY TO RETAIN WITHIN THE BARREL THE RESIDUE OF THE IGNITED PYROTECHNIC MATERIAL.
Inventors
- 👤 Otto K Heiney
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |