US3090531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing closure
Assignee: JOHN WAGNER AND SONS Inc
•
Filing: 1961-05-02
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Granted: 1963-05-21
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Expires: 1981-05-02
Abstract
No abstract record available.
Inventors
- 👤 Weaver Norwood
- 👤 Ralph T Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:40
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
242 words
A DISPENSING CLOSURE ADAPTED TO BE REMOVABLY POSITIONED IN THE NECK OPENING OF A CONTAINER COMPRISING: A ONE-PIECE INTEGRAL DISPENSING TOP FORMED OF RESILIENT DISTORTABLE MATERIAL AND A COVER MEMBER THEREFOR, SAID TOP INCLUDING AN EXTERNAL RADIALLY PROJECTING ANNULAR FLANGE PORTION ADAPTED TO ENGAGE AGAINST THE END SURFACE OF THE NECK OF SAID CONTAINER WHEN SAID DISPENSING CLOSURE IS IN SAID OPENING, SAID DISPENSING TOP ALSO INCLUDING FIRST AND SECOND AXIALLY SPACED ANNULAR SKIRT PORTIONS DISPOSED IN COAXIAL ALIGNMENT AT RESPECTIVELY OPPOSITE SIDES OF SAID ANNULAR FLANGE PORTION, SAID FIRST ANNULAR SKIRT PORTION BEING OF APPROXIMATELY CYLINDRICAL EXTERNAL SHAPE AND ADAPTED TO BE INSERTED INTO THE CONTAINER OPENING, SAID FIRST SKIRT PORTION HAVING AN OUTER DIAMETER ADJACENT SAID FLANGE SLIGHTLY GREATER THAN THE DIAMETER OF SAID CONTAINER NECK OPENING AND TAPERING AWAY FROM SAID FLANGE TO MAINTAIN SAID DISPENSING TOP SEALED IN POSITION IN SAID CONTAINER WITH A PREDETERMINED RESTRAINING FORCE, SAID SECOND ANNULAR SKIRT PORTION BEING OF APPROXIMATELY CYLINDRICAL EXTERNAL SHAPE AND PROJECTING FROM THE FLANGE PORTION IN A DIRECTION OPPOSITE SAID FIRST ANNULAR SKIRT PORTION AND COAXIAL THEREWITH, SAID SECOND ANNULAR SKIRT PORTION HAVING AN END WALL EXTENDING ACROSS THE OUTER END THEREOF AND PROVIDED WITH AT LEAST ONE OPENING THEREIN THROUGH WHICH MATERIAL MAY BE DISPENSED FROM SAID CONTAINER, AND SAID COVER MEMBER HAVING AN IMPERFORATE TOP WALL PORTION ADAPTED TO OVERLIE THE END WALL OF SAID SECOND ANNULAR SKIRT PORTION AND HAVING AN ANNULAR SIDE WALL PORTION OF
Claim 2
Dependent Claim
242 words
A DISPENSING CLOSURE ADAPTED TO BE REMOVABLY POSITIONED IN THE NECK OPENING OF A CONTAINER COMPRISING: A ONE-PIECE INTEGRAL DISPENSING TOP FORMED OF RESILIENT DISTORTABLE MATERIAL AND A COVER MEMBER THEREFOR, SAID TOP INCLUDING AN EXTERNAL RADIALLY PROJECTING ANNULAR FLANGE PORTION ADAPTED TO ENGAGE AGAINST THE END SURFACE OF THE NECK OF SAID CONTAINER WHEN SAID DISPENSING CLOSURE IS IN SAID OPENING, SAID DISPENSING TOP ALSO INCLUDING FIRST AND SECOND AXIALLY SPACED ANNULAR SKIRT PORTIONS DISPOSED IN COAXIAL ALIGNMENT AT RESPECTIVELY OPPOSITE SIDES OF SAID ANNULAR FLANGE PORTION, SAID FIRST ANNULAR SKIRT PORTION BEING OF APPROXIMATELY CYLINDRICAL EXTERNAL SHAPE AND ADAPTED TO BE INSERTED INTO THE CONTAINER OPENING, SAID FIRST SKIRT PORTION HAVING AN OUTER DIAMETER ADJACENT SAID FLANGE SLIGHTLY GREATER THAN THE DIAMETER OF SAID CONTAINER NECK OPENING AND TAPERING AWAY FROM SAID FLANGE TO MAINTAIN SAID DISPENSING TOP SEALED IN POSITION IN SAID CONTAINER WITH A PREDETERMINED RESTRAINING FORCE, SAID SECOND ANNULAR SKIRT PORTION BEING OF APPROXIMATELY CYLINDRICAL EXTERNAL SHAPE AND PROJECTING FROM THE FLANGE PORTION IN A DIRECTION OPPOSITE SAID FIRST ANNULAR SKIRT PORTION AND COAXIAL THEREWITH, SAID SECOND ANNULAR SKIRT PORTION HAVING AN END WALL EXTENDING ACROSS THE OUTER END THEREOF AND PROVIDED WITH AT LEAST ONE OPENING THEREIN THROUGH WHICH MATERIAL MAY BE DISPENSED FROM SAID CONTAINER, AND SAID COVER MEMBER HAVING AN IMPERFORATE TOP WALL PORTION ADAPTED TO OVERLIE THE END WALL OF SAID SECOND ANNULAR SKIRT PORTION AND HAVING AN ANNULAR SIDE WALL PORTION OF
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |