Liquid or powder dispensing dart
Abstract
Abstract INTO THE PROJECTILE. IMPACT FIRES THE EXPLOSIVE CHARGE, THEREBY MOVING THE PLUNGER PISTON AND EXERTING PRESSURE ON THE FLOWABLE MATERIAL, CAUSING THE FLUID DIRECTING PISTON TO BE MOVED CLEAR OF THE MATERIAL DISCHARGE PORTS SO THAT THE CUSPIDAL SURFACE ON SAID PISTON MAY DIRECT THE FLOW OF MATERIAL THROUGH THE MATERIAL DISCHARGE PORTS. A DART PROJECTILE WITH A CYLINDER MECHANISM FOR CARRYING AND DISCHARGING A FLOWABLE MATERIAL ON IMPACT HAVING A HOLLOW CYLINDER WILL THREADEDLY FITTED WITH A FRONT NOSE PLUG AND A REAR STABILIZER TAILPIECE. WITHIN THE CYLINDER IS AT LEAST ONE PLUNGER PISTON ENCLOSING AN EXPLOSIVE CHARGE. AT LEAST ONE FLUID DIRECTING PISTON COVERS MATERIAL DISCHARGE PORTS IN THE CYLINDER WALL, AND HAS AN INNER CUSPIDAL CURVED SURFACE WITH A REMOVABLE PLUG INSERTED LONGITUDINALLY THERETHROUGH FOR LOADING FLOWABLE MATERIAL
Inventors
- 👤 H Palmer
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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |