Patent US3344785A successfully refreshed from Google Patents.
US3344785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for exchange transfusion system
Assignee: PHARMASEAL LAB
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Filing: 1965-02-01
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Granted: 1967-10-03
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Donald A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:50
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/04; A61M1/00; A61M1/71; A61M1/77; A61M1/772; A61M39/22; A61M39/223; A61M1/02; A61M1/60; A61M1/63; A61M1/64; A61M1/67; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863; Y10T137/86871
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A DISPOSABLE MEDICAL VALVE COMPRISING: (A) A BODY WITH A BORE THERETHROUGH; (B) TUBULAR SIDE ARMS EXTENDING OUTWARDLY FROM THE BODY AND COMMUNICATING WITH THE BODY BORE; (C) A CORE ROTATABLY MOUNTED IN SAID BODY BORE AND HAVING A LONGITUDINAL PASSAGE EXTENDING BETWEEN FIRST AND SECOND ENDS OF THE CORE, SAID CORE HAVING A PORTION ADJACENT ITS FIRST END ADAPTED TO RECEIVE A SYRINGE TIP IN FLUID-TIGHT ENGAGEMENT AND HAVING A PORT FOR SELECTIVELY CONNECTING THE CORE PASSAGE WITH SAID TUBULAR SIDE ARMS UPON ROTARY MOVEMENT OF SAID CORE RELATIVE TO SAID BODY; (D) LOCKING MEANSA ON SAID FIRST END OF SAID CORE FOR HOLDING A SYRINGE TIP AGAINST ROTARY MOVEMENT WITH RESPECT TO SAID CORE; (E) A RETAINING MEMBER CONNECTED TO THE CORE ADJACENT ITS SECOND END FOR SLIDEABLY ENGAGING THE BODY TO
Claim 2
Dependent Claim
134 words
A DISPOSABLE MEDICAL VALVE COMPRISING: (A) A BODY WITH A BORE THERETHROUGH; (B) TUBULAR SIDE ARMS EXTENDING OUTWARDLY FROM THE BODY AND COMMUNICATING WITH THE BODY BORE; (C) A CORE ROTATABLY MOUNTED IN SAID BODY BORE AND HAVING A LONGITUDINAL PASSAGE EXTENDING BETWEEN FIRST AND SECOND ENDS OF THE CORE, SAID CORE HAVING A PORTION ADJACENT ITS FIRST END ADAPTED TO RECEIVE A SYRINGE TIP IN FLUID-TIGHT ENGAGEMENT AND HAVING A PORT FOR SELECTIVELY CONNECTING THE CORE PASSAGE WITH SAID TUBULAR SIDE ARMS UPON ROTARY MOVEMENT OF SAID CORE RELATIVE TO SAID BODY; (D) LOCKING MEANSA ON SAID FIRST END OF SAID CORE FOR HOLDING A SYRINGE TIP AGAINST ROTARY MOVEMENT WITH RESPECT TO SAID CORE; (E) A RETAINING MEMBER CONNECTED TO THE CORE ADJACENT ITS SECOND END FOR SLIDEABLY ENGAGING THE BODY TO
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Cited
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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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |