Patent US3224652A successfully refreshed from Google Patents.
US3224652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering liquid dispenser
Assignee: Individual
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Filing: 1964-05-27
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Granted: 1965-12-21
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Ladwig
- 👤 Carl J Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:58
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/10; G01F11/26; G01F11/262
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A FLUID DISPENSER COMPRISING IN COMBINATION: (A) A CONTAINER; (B) A CHAMBER OF PREDETERMINED SIZE DISPOSED ADJACENT THE BOTTOM OF SAID CONTAINER, SAID CHAMBER INCLUDING AN OPENING AT ITS TOP AND AN ACCESS OPENING DISPOSED ADJACENT THE BOTTOM OF SAID CONTAINER; (C) A FIRST TUBE EXTENDING UPWARDLY FROM THE OPENING THROUGH THE TOP OF SAID CONTAINER, SAID FIRST TUBE HAVING A VENT OPENING IN PROXIMITY TO THE TOP END THEREOF AND ADAPTED TO LIE INSIDE OF SAID CONTAINER; (D) A SECOND TUBE EXTENDING UPWARDLY FROM THE TOP OF SAID CHAMBER; (E) A THIRD TUBE SLIDABLY DISPOSED IN THE TOP END OF SAID FIRST TUBE AND OPERABLE TO OPEN THE VENT OPENING IN SAID FIRST TUBE UPON UPWARD EXTENSION THEREOF; AND (F) MEANS PROVIDING FLUID COMMUNICATION INTERMEDIATE THE LOWER END OF SAID SECOND TUBE AND THE TOP OF SAID CHAMBER WHEREBY FLUID IN SAID CONTAINER WILL ENTER SAID CHAMBER THROUGH THE ACCESS OPENING IN THE BOTTOM THEREOF AND WILL RISE TO A LEVEL DETERMINED BY THE MEANS PROVIDING FLUID COMMUNICATION INTERMEDIATE THE LOWER END OF SAID SECOND TUBE AND THE TOP OF SAID CHAMBER.
Claim 2
Dependent Claim
183 words
A FLUID DISPENSER COMPRISING IN COMBINATION: (A) A CONTAINER; (B) A CHAMBER OF PREDETERMINED SIZE DISPOSED ADJACENT THE BOTTOM OF SAID CONTAINER, SAID CHAMBER INCLUDING AN OPENING AT ITS TOP AND AN ACCESS OPENING DISPOSED ADJACENT THE BOTTOM OF SAID CONTAINER; (C) A FIRST TUBE EXTENDING UPWARDLY FROM THE OPENING THROUGH THE TOP OF SAID CONTAINER, SAID FIRST TUBE HAVING A VENT OPENING IN PROXIMITY TO THE TOP END THEREOF AND ADAPTED TO LIE INSIDE OF SAID CONTAINER; (D) A SECOND TUBE EXTENDING UPWARDLY FROM THE TOP OF SAID CHAMBER; (E) A THIRD TUBE SLIDABLY DISPOSED IN THE TOP END OF SAID FIRST TUBE AND OPERABLE TO OPEN THE VENT OPENING IN SAID FIRST TUBE UPON UPWARD EXTENSION THEREOF; AND (F) MEANS PROVIDING FLUID COMMUNICATION INTERMEDIATE THE LOWER END OF SAID SECOND TUBE AND THE TOP OF SAID CHAMBER WHEREBY FLUID IN SAID CONTAINER WILL ENTER SAID CHAMBER THROUGH THE ACCESS OPENING IN THE BOTTOM THEREOF AND WILL RISE TO A LEVEL DETERMINED BY THE MEANS PROVIDING FLUID COMMUNICATION INTERMEDIATE THE LOWER END OF SAID SECOND TUBE AND THE TOP OF SAID CHAMBER.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |