US3323692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drop dispensing container
Assignee: Pillsbury Co
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Filing: 1965-10-22
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Granted: 1967-06-06
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:31
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/2018; B65D47/2056; B65D47/2062
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
183 words
A DROP DISPENSING CONTAINER COMPRISING: (A) A CONTAINER BODY HAVING AN OPEN END AT ITS TOP DEFINED BY A RIM; (B) A MANUALLY MOVABLE, FLEXIBLE DIAPHRAGM OPERATIVELY SEALED ALONG ITS EDGE TO THE TOP OF THE CONTAINER BODY, THE DIAPHRAGM HAVING A DISPENSING DUCT EXTENDING THERETHROUGH WITH ITS INNER END TERMINATING ADJACENT THE OPEN END OF THE CONTAINER BODY AND THE DIAPHRAGM BEING OTHERWISE IMPERFORATE AT ALL TIMES, THE DIAPHRAGM HAVING A FIRST POSITION; (C) A VALVE MEMBER POSITIONED BELOW THE DIAPHRAGM AND ADJACENT THE OPEN END OF THE CONTAINER BODY, THE VALVE MEMBER HAVING A FIRST POSITION IN SEALING ENGAGEMENT WITH THE INNER END OF THE DUCT WHEN THE DIAPHRAGM IS IN ITS FIRST POSITION AND BEING OPERATIVELY CONNECTED TO THE DIAPHRAGM SO THAT DEPRESSION OF THE DIAPHRAGM TO A SECOND POSITION MOVES THE VALVE MEMBER AWAY FROM SEALING ENGAGEMENT WITH THE DUCT; (D) MEANS FOR RETURNING THE DIAPHRAGM TO ITS FIRST POSITION UPON RELEASE OF THE DEPRESSION FORCE; AND (E) MEANS FOR RETURNING THE VALVE MEMBER TO ITS FIRST POSITION IN SEALING ENGAGEMENT WITH THE DUCT UPON RELEASE OF THE DIAPHRAGM.
References 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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |