Patent US3403407A successfully refreshed from Google Patents.
Patent US3135259A successfully refreshed from Google Patents.
US3135259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infusion flow control valve
Assignee: Sterilon Corp
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Filing: 1963-12-12
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Granted: 1964-06-02
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Robert P Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:50
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/28; A61M39/286; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T24/00; Y10T24/39; Y10T24/3993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN A BLOOD-TAKING APPARATUS, A HOLLOW NEEDLE HAVING A FLEXIBLE TUBE CONNECTED THERETO, A SLEEVE MEMBER FIXED TO THE STEM OF THE NEEDLE, AND A FLOW CONTROL VALVE DEVICE EMBRACING SAID TUBE, SAID VALVE DEVICE COMPRISING A GENERALLY U-SHAPED BODY HAVING SLIGHTLY FLEXIBLE SPACED PARALLEL SIDE WALLS AND AN END PORTION BORED TO COMPRISE A MOUNTING HUB RECEIVING ONE END OF SAID SLEEVE MEMBER IN CANTILEVER MOUNTED RELATION THEREIN, SAID SIDE WALLS BEING FORMED WITH FUNNEL SHAPED GROOVES AT THE OUTER ENDS OF SAID WALLS LEADING TOWARD PARALLEL SLOTS THERETHROUGH ADAPTED TO JOURNAL THEREIN OPPOSITELY EXTENDING STUB SHAFTS OF A ROLLER DEVICE FOR LONGITUDINAL ROLLING THEREOF WITHIN SAID BODY, SAID BODY HAVING A BACK WALL PORTION INCLINED RELATIVE TO SAID SLOTS AND LOCATED AND DIMENSIONED TO FREELY ACCOMMODATE THEREBETWEEN SAID TUBE WHEN SAID ROLLER IS IN ONE POSITION RELATIVE TO SAID BODY AND TO TIGHTLY CONSTRICT SAID TUBE WHEN SAID ROLLER IS SHIFTED TO A SECOND POSITION RELATIVE TO SAID BODY.
Claim 2
Dependent Claim
161 words
IN A BLOOD-TAKING APPARATUS, A HOLLOW NEEDLE HAVING A FLEXIBLE TUBE CONNECTED THERETO, A SLEEVE MEMBER FIXED TO THE STEM OF THE NEEDLE, AND A FLOW CONTROL VALVE DEVICE EMBRACING SAID TUBE, SAID VALVE DEVICE COMPRISING A GENERALLY U-SHAPED BODY HAVING SLIGHTLY FLEXIBLE SPACED PARALLEL SIDE WALLS AND AN END PORTION BORED TO COMPRISE A MOUNTING HUB RECEIVING ONE END OF SAID SLEEVE MEMBER IN CANTILEVER MOUNTED RELATION THEREIN, SAID SIDE WALLS BEING FORMED WITH FUNNEL SHAPED GROOVES AT THE OUTER ENDS OF SAID WALLS LEADING TOWARD PARALLEL SLOTS THERETHROUGH ADAPTED TO JOURNAL THEREIN OPPOSITELY EXTENDING STUB SHAFTS OF A ROLLER DEVICE FOR LONGITUDINAL ROLLING THEREOF WITHIN SAID BODY, SAID BODY HAVING A BACK WALL PORTION INCLINED RELATIVE TO SAID SLOTS AND LOCATED AND DIMENSIONED TO FREELY ACCOMMODATE THEREBETWEEN SAID TUBE WHEN SAID ROLLER IS IN ONE POSITION RELATIVE TO SAID BODY AND TO TIGHTLY CONSTRICT SAID TUBE WHEN SAID ROLLER IS SHIFTED TO A SECOND POSITION RELATIVE TO SAID BODY.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |