Patent US3146919A successfully refreshed from Google Patents.
US3146919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball follower dispenser
Assignee: Individual
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Filing: 1960-10-17
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Granted: 1964-09-01
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Story F Chappell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:02
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/10; G01F11/26; G01F11/262; G01F11/263; G01F11/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A DISPENSER IN COMBINATION WITH A CONTAINER HAVING FLEXIBLE SIDEWALLS, A TOP OPENING AND A BOTTOM WALL, THE INTERIOR OF SAID CONTAINER BEING SUBSTANTIALLY FREE OF ANY OBSTRUCTIONS, SAID DISPENSER COMPRISING A TOP OPENING, CYLINDRICAL SIDEWALLS AND A BOTTOM OPENING AND A BALL VALVE WITHIN THE CONTAINER, SAID DISPENSER BEING POSITIONED AT THE UPPER PORTION OF THE CONTAINER NEAR THE CONTAINER''S TOP OPENING, THE TOP DISPENSER OPENING BEING OF REDUCED SIZE AND SMALLER THAN THE DIAMETER OF THE BALL VALVE AND THE DIAMETER OF THE BOTTOM DISPENSER OPENING AND DISPENSER SIDEWALLS BEING APPROXIMATELY THE SAME OR SLIGHTLY GREATER THAN THE DIAMETER OF THE BALL VALVE, SAID BOTTOM OPENING BEING SHUT OFF FROM COMMUNICATION WITH THE LOWER PORTION OF THE CONTAINER BY SAID BALL VALVE WHEN SAID CONTAINER AND DISPENSER ARE INVERTED, THE BOTTOM DISPENSER OPENING AND THE TOP CONTAINER OPENING BEING IN COMMUNICATION WHEREBY THE BALL VALVE ON INVERSION OF SAID CONTAINER IS MOVABLE TO A POSITION ADJACENT TO AND OPPOSITE THE TOP OPENING IN THE DISPENSER AND FLOW OF LIQUID FROM THE CONTAINER THROUGH SAID OPENING IS SHUT OFF AND SAID VALVE IS FURTHER MOVABLE TO SEAT AGAINST THE TOP DISPENSER OPENING BY SQUEEZE PRESSURE EXERTED ON THE FLEXIBLE CONTAINER WALLS.
Claim 2
Dependent Claim
202 words
A DISPENSER IN COMBINATION WITH A CONTAINER HAVING FLEXIBLE SIDEWALLS, A TOP OPENING AND A BOTTOM WALL, THE INTERIOR OF SAID CONTAINER BEING SUBSTANTIALLY FREE OF ANY OBSTRUCTIONS, SAID DISPENSER COMPRISING A TOP OPENING, CYLINDRICAL SIDEWALLS AND A BOTTOM OPENING AND A BALL VALVE WITHIN THE CONTAINER, SAID DISPENSER BEING POSITIONED AT THE UPPER PORTION OF THE CONTAINER NEAR THE CONTAINER''S TOP OPENING, THE TOP DISPENSER OPENING BEING OF REDUCED SIZE AND SMALLER THAN THE DIAMETER OF THE BALL VALVE AND THE DIAMETER OF THE BOTTOM DISPENSER OPENING AND DISPENSER SIDEWALLS BEING APPROXIMATELY THE SAME OR SLIGHTLY GREATER THAN THE DIAMETER OF THE BALL VALVE, SAID BOTTOM OPENING BEING SHUT OFF FROM COMMUNICATION WITH THE LOWER PORTION OF THE CONTAINER BY SAID BALL VALVE WHEN SAID CONTAINER AND DISPENSER ARE INVERTED, THE BOTTOM DISPENSER OPENING AND THE TOP CONTAINER OPENING BEING IN COMMUNICATION WHEREBY THE BALL VALVE ON INVERSION OF SAID CONTAINER IS MOVABLE TO A POSITION ADJACENT TO AND OPPOSITE THE TOP OPENING IN THE DISPENSER AND FLOW OF LIQUID FROM THE CONTAINER THROUGH SAID OPENING IS SHUT OFF AND SAID VALVE IS FURTHER MOVABLE TO SEAT AGAINST THE TOP DISPENSER OPENING BY SQUEEZE PRESSURE EXERTED ON THE FLEXIBLE CONTAINER WALLS.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |