US3217711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve apparatus for sequentially administering parenteral fluid from separate sources
Assignee: Abbott Laboratories
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Filing: 1963-08-01
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Granted: 1965-11-16
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Richard W Pecina
- 👤 Henry M Scislowicz
- 👤 Jr Frank C Dayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:16
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1407; A61M5/1408; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569; Y10T137/2572; Y10T137/8593; Y10T137/87571; Y10T137/87676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN AN APPARATUS FOR PARENTERAL ADMINISTRATION OF THE TYPE COMPRISING TWO DISCRETE SOURCES OF PARENTERAL FLUID AND A HYPODERMIC NEEDLE CONNECTED TO SAID SOURCES OF FLUID THROUGH A VALVE WHICH PERMITS SEQUENTIAL FLOW FROM SAID SOURCES OF FLUID TO SAID NEEDLE, THE IMPROVEMENT WHEREIN SAID VALVE COMPRISES A VALVE BODY, A PASSAGEWAY DEFINED BY SAID VALVE BODY AND ADAPTED TO BE CONNECTED AT ONE END TO ONE OF SAID SOURCES OF FLUID AND AT THE OTHER END TO SAID HYPODERMIC NEEDLE AND A CONSTRICTED CHANNEL DEFINED BY SAID VALVE BODY HAVING ONE END ADAPTED TO BE CONNECTED TO THE OTHER OF SAID SOURCES OF FLUID, SAID CHANNEL COMMUNICATING WITH SAID PASSAGEWAY AT A POINT SPACED FROM SAID ONE END, THE LENGTH AND WIDTH OF SAID CONSTRICTED CHANNEL BETWEEN SAID ONE END THEREOF AND SAID POINT BEING SUBSTANTIALLY DEFINED BY THE EQUATION
Claim 2
Dependent Claim
141 words
IN AN APPARATUS FOR PARENTERAL ADMINISTRATION OF THE TYPE COMPRISING TWO DISCRETE SOURCES OF PARENTERAL FLUID AND A HYPODERMIC NEEDLE CONNECTED TO SAID SOURCES OF FLUID THROUGH A VALVE WHICH PERMITS SEQUENTIAL FLOW FROM SAID SOURCES OF FLUID TO SAID NEEDLE, THE IMPROVEMENT WHEREIN SAID VALVE COMPRISES A VALVE BODY, A PASSAGEWAY DEFINED BY SAID VALVE BODY AND ADAPTED TO BE CONNECTED AT ONE END TO ONE OF SAID SOURCES OF FLUID AND AT THE OTHER END TO SAID HYPODERMIC NEEDLE AND A CONSTRICTED CHANNEL DEFINED BY SAID VALVE BODY HAVING ONE END ADAPTED TO BE CONNECTED TO THE OTHER OF SAID SOURCES OF FLUID, SAID CHANNEL COMMUNICATING WITH SAID PASSAGEWAY AT A POINT SPACED FROM SAID ONE END, THE LENGTH AND WIDTH OF SAID CONSTRICTED CHANNEL BETWEEN SAID ONE END THEREOF AND SAID POINT BEING SUBSTANTIALLY DEFINED BY THE EQUATION
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |