Mixing and dispensing syringe
Abstract
Abstract A MIXING AND DISPENSING DEVICE HAVING A HOUSING SUITABLE FOR CONTAINING A FLUID, A FLUID OUTLET AND CONTAINING A MIXING DEVICE MOVABLE BETWEEN FIRST, SECOND AND THIRD POSITIONS, SUCH THAT WHEN THE MIXING DEVICE IS IN ITS FIRST POSITION, THE DEVICE IS CONTAINED WITHIN THE HOUSING SO AS TO BE CAPABLE OF SUBJECTING A FLUID CONTAINED WITHIN THE HOUSING TO A MIXING ACTION, WHEN THE MIXING DEVICE IS IN ITS SECOND POSITION, THE DEVICE IS PARTIALLY REMOVED FROM THE HOUSING AND ENGAGEDLY ATTACHED TO A STOPPER, AND WHEN THE MIXING DEVICE IS IN ITS THIRD POSITION, THE MIXING DEVICE IS AGAIN CONTAINED WITHIN THE HOUSING IN ENGAGING RELATIONSHIP WITH THE STOPPER AS TO FORM A PISTON WHICH IS USED TO URGE A FLUID CONTAINED WITHIN THE HOUSING THROUGH A FLUID OUTLET.
Inventors
- 👤 Peter B Mills
- 👤 Arthur B Silver
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |