Patent US3298367A successfully refreshed from Google Patents.
US3298367A
Expired / Lapsed
US
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Apparatus for administering parenteral liquids
Assignee: Individual
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Filing: 1964-01-10
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Granted: 1967-01-17
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Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Richard I Bergman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/141; A61M5/168; A61M5/16877; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN AN APPARATUS FOR ADMINISTERING PARENTERAL LIQUIDS INCLUDING A CONTAINER HOLDING THE LIQUID TO BE ADMINISTERED, A DRIP TUBE COMMUNICATING WITH SAID CONTAINER THROUGH WHICH SAID LIQUID FLOWS BY GRAVITY FEED, AND AN ADMINISTERING NEEDLE CONNECTED TO SAID DRIP TUBE; THE IMPROVEMENT COMPRISING A CAPILLARY FLOW CONTROLLER FOR REGULATING THE FLOW OF THE LIQUID THROUGH SAID NEEDLE, THE FLOW CONTROLLER BEING CONNECTED TO SAID DRIP TUBE SUFFICIENTLY DOWNSTREAM FROM SAID CONTAINER TO PROVIDE A SUBSTANTIAL HYDROSTATIC HEAD ABOVE THE CONTROLLER AND COMPRISING A FIRST HEADER CONNECTED TO SAID DRIP TUBE; A SECOND HEADER CONNECTED TO SAID NEEDLE; A PLURALITY OF CAPILLARY TUBES CONNECTED IN PARALLEL BETWEEN SAID FIRST AND SECOND HEADERS, EACH OF SAID CAPILLARY TUBES HAVING PREDETERMINED LENGTHS AND UNIFORM INTERNAL CROSS-SECTIONS THROUGHOUT THEIR LENGTHS SUFFICIENT TO PROVIDE VARYING INCREMENTAL FLOW RATES OF SAID LIQUID THROUGH THE FLOW CONTROLLER WHEN OPERATED INDIVIDUALLY OR SIMULTANEOUSLY, AND ON-OFF VALVE MEANS FOR EACH SAID CAPILLARY TUBE FACILITATING THE FLOW OF THE LIQUID THROUGH ONE OR MORE OF SAID CAPILLARY TUBES SIMULTANEOUSLY.
Claim 2
Dependent Claim
169 words
IN AN APPARATUS FOR ADMINISTERING PARENTERAL LIQUIDS INCLUDING A CONTAINER HOLDING THE LIQUID TO BE ADMINISTERED, A DRIP TUBE COMMUNICATING WITH SAID CONTAINER THROUGH WHICH SAID LIQUID FLOWS BY GRAVITY FEED, AND AN ADMINISTERING NEEDLE CONNECTED TO SAID DRIP TUBE; THE IMPROVEMENT COMPRISING A CAPILLARY FLOW CONTROLLER FOR REGULATING THE FLOW OF THE LIQUID THROUGH SAID NEEDLE, THE FLOW CONTROLLER BEING CONNECTED TO SAID DRIP TUBE SUFFICIENTLY DOWNSTREAM FROM SAID CONTAINER TO PROVIDE A SUBSTANTIAL HYDROSTATIC HEAD ABOVE THE CONTROLLER AND COMPRISING A FIRST HEADER CONNECTED TO SAID DRIP TUBE; A SECOND HEADER CONNECTED TO SAID NEEDLE; A PLURALITY OF CAPILLARY TUBES CONNECTED IN PARALLEL BETWEEN SAID FIRST AND SECOND HEADERS, EACH OF SAID CAPILLARY TUBES HAVING PREDETERMINED LENGTHS AND UNIFORM INTERNAL CROSS-SECTIONS THROUGHOUT THEIR LENGTHS SUFFICIENT TO PROVIDE VARYING INCREMENTAL FLOW RATES OF SAID LIQUID THROUGH THE FLOW CONTROLLER WHEN OPERATED INDIVIDUALLY OR SIMULTANEOUSLY, AND ON-OFF VALVE MEANS FOR EACH SAID CAPILLARY TUBE FACILITATING THE FLOW OF THE LIQUID THROUGH ONE OR MORE OF SAID CAPILLARY TUBES SIMULTANEOUSLY.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |