US3276472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical valve
Assignee: Smiths Medical ASD Inc
•
Filing: 1963-12-03
•
Granted: 1966-10-04
•
Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Charles W Jinkens
- 👤 Charles C Waldbillig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:19
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/223; Y; Y10; Y10S; Y10S251/00; Y10S251/904; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A VALVE COMPRISING A CUP SHAPED CASING OF CIRCULAR CROSS SECTION HAVING A PLURALITY OF DUCTS EXTENDING FROM THE INTERIOR OF SAID CASING TO THE EXTERIOR OF SAID CASING, SAID DUCTS BEING FORMED IN PART BY ELONGATED SPIGOTS PROJECTING RADIALLY FROM SAID CASING, SAID CASING HAVING AN INTERNAL ANNULAR GROOVE ABOVE SAID DUCTS, A CIRCULAR PLUG HAVING A GENERALLY CYLINDRICAL SURFACE, AN EXTERNAL ANNULAR RIB ON THE UPPER PORTION OF SAID PLUG IN SEALING AND LOCKING ENGAGEMENT WITH SAID ANNULAR GROOVE, SAID PLUG HAVING A RECESS IN ITS LOWER END AND AXIALLY EXTENDING FLOW CHANNELS IN THE CYLINDRICAL SURFACE OF SAID PLUG COMMUNICATING WITH SAID RECESS WHILE EXTENDING ABOVE SAID RECESS BUT TERMINATING BELOW SAID RIB, SAID CHANNELS BEING SELECTIVELY ALIGNABLE WITH SAID DUCTS, AND ELONGATED HANDLE ARMS ON SAID PLUG EXTENDING OUTWARDLY THEREFROM, SAID ARMS BEING IN THE SAME ANGULAR POSITIONS AS SAID CHANNELS, SAID HANDLE ARMS BEING ALIGNABLE WITH SAID SPIGOTS.
Claim 2
Dependent Claim
153 words
A VALVE COMPRISING A CUP SHAPED CASING OF CIRCULAR CROSS SECTION HAVING A PLURALITY OF DUCTS EXTENDING FROM THE INTERIOR OF SAID CASING TO THE EXTERIOR OF SAID CASING, SAID DUCTS BEING FORMED IN PART BY ELONGATED SPIGOTS PROJECTING RADIALLY FROM SAID CASING, SAID CASING HAVING AN INTERNAL ANNULAR GROOVE ABOVE SAID DUCTS, A CIRCULAR PLUG HAVING A GENERALLY CYLINDRICAL SURFACE, AN EXTERNAL ANNULAR RIB ON THE UPPER PORTION OF SAID PLUG IN SEALING AND LOCKING ENGAGEMENT WITH SAID ANNULAR GROOVE, SAID PLUG HAVING A RECESS IN ITS LOWER END AND AXIALLY EXTENDING FLOW CHANNELS IN THE CYLINDRICAL SURFACE OF SAID PLUG COMMUNICATING WITH SAID RECESS WHILE EXTENDING ABOVE SAID RECESS BUT TERMINATING BELOW SAID RIB, SAID CHANNELS BEING SELECTIVELY ALIGNABLE WITH SAID DUCTS, AND ELONGATED HANDLE ARMS ON SAID PLUG EXTENDING OUTWARDLY THEREFROM, SAID ARMS BEING IN THE SAME ANGULAR POSITIONS AS SAID CHANNELS, SAID HANDLE ARMS BEING ALIGNABLE WITH SAID SPIGOTS.
References Cited (Backward Citations)
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Cited
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |