US3207374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispenser
Assignee: SmithKline Beecham Corp
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Filing: 1963-11-14
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Granted: 1965-09-21
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Holmes
- 👤 Robert J Musel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2089; A61J1/2003; A61J1/2006; A61J1/201
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
146 words
A DISPENSING DEVICE COMPRISING A COLLAPSIBLE CONTAINER HAVING AN OUTLET PASSAGES THEREFROM AND A POURING SPOUT TERMINATING IN A PIERCING DEVICE, THE OUTLET PASSAGE FROM THE COLLAPSIBLE CONTAINER BEING FORMED WITH A SEMISPHERICAL VALVE SEAT EXTERNAL TO THE OUTLET PASSAGE AND A BALL VALVE NORMALLY CLOSING THE SEMI-SPHERICAL VALVE SEAT, THE SAID SEMI-SPHERICAL VALVE SEAT HAVING A RADIUS OF CURVATURE SLIGHTLY LESS THAN THE RADIUS OF CURVATURE OF THE BALL VALVE SO THAT THE BALL VALVE WHEN CLOSING THE OUTLET PASSAGE IS FRICTIONALLY RETAINED IN THE SEMI-SPHERICAL VALVE SEAT AGAINST DISPLACEMENT UNTIL MANUAL PRESSURE IS APPLIED TO THE COLLAPSIBLE CONTAINER TO EJECT THE CONTENTS THEREOF THROUGH THE OUTLET PASSAGE AND THE POURING SPOUT AND A PROJECTION IN THE POURING SPOUT FOR TILTING THE BALL VALVE AWAY FROM AT LEAST ONE SIDE OF THE INTERIOR OF THE PIERCING DEVICE TO PERMIT PASSAGE OF THE CONTAINER CONTENTS THERETHROUGH.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |