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US3323692A Expired / Lapsed US ⏱️ 0.0 years remaining

Drop dispensing container

Assignee: Pillsbury Co
•
Filing: 1965-10-22
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Granted: 1967-06-06
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Expires: 1985-10-22
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Abstract

No abstract record available.

Inventors

  • 👤 Marvin E Cook

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 05:15
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)

US1942845A Cited
US2053809A Cited
US2556571A Cited
US2699890A Cited
US2679337A Cited
US2894660A Cited
US2954904A Cited

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

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