US3316908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intravenous injection apparatus
Assignee: Burron Medical Products Inc
•
Filing: 1964-04-14
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Granted: 1967-05-02
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Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 George K Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:59
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/162; A61M5/1626; A61M2005/1623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A DUAL FLOW PIERCING DEVICE FOR USE IN INTRAVENOUS INJECTION APPARATUS COMPRISING A BODY MEANS FORMED OF SUBSTANTIALLY RIGID MATERIAL AND HAVING A SHARP END PORTION, SAID BODY MEANS HAVING A PAIR OF OPPOSITELY TAPERING PASSAGE FORMED THERETHROUGH, EACH OF SAID PASSAGES OPENING THROUGH THE SHARP END PORTION OF SAID BODY MEANS AND EACH OF SAID PASSAGES ALSO OPENING THROUGH A PORTION OF SAID BODY MEANS SPACED A SUBSTANTIAL DISTANCE FROM SAID SHARP END PORTION, SAID BODY MEANS INCLUDING AN ATTACHING BASE PORTION, SAID ATTACHING BASE PORTION AN ANNULAR CAVITY, SAID BODY MEANS INCLUDING A CENTRAL EXTENSION EXTENDING THROUGH THE CENTRAL AREA OF SAID ANNULAR CAVITY, THE INNER SURFACE OF SAID BASE PORTION WHICH DEFINES SAID ANNULAR CAVITY HAVING GRIPPING MEANS FORMED THEREON, FLEXIBLE DRIP CHAMBER MEANS AND CONNECTOR MEANS ENGAGING SAID BODY EXTENSION AND WHICH MEANS INCLUDES AN OUTER SURFACE PORTION COOPERATING WITH SAID GRIPPING MEANS TO RETAIN THE FLEXIBLE DRIP CHAMBER MEANS IN CLAMPED POSITION WITHIN SAID ATTACHING BASE PORTION.
Claim 2
Dependent Claim
162 words
A DUAL FLOW PIERCING DEVICE FOR USE IN INTRAVENOUS INJECTION APPARATUS COMPRISING A BODY MEANS FORMED OF SUBSTANTIALLY RIGID MATERIAL AND HAVING A SHARP END PORTION, SAID BODY MEANS HAVING A PAIR OF OPPOSITELY TAPERING PASSAGE FORMED THERETHROUGH, EACH OF SAID PASSAGES OPENING THROUGH THE SHARP END PORTION OF SAID BODY MEANS AND EACH OF SAID PASSAGES ALSO OPENING THROUGH A PORTION OF SAID BODY MEANS SPACED A SUBSTANTIAL DISTANCE FROM SAID SHARP END PORTION, SAID BODY MEANS INCLUDING AN ATTACHING BASE PORTION, SAID ATTACHING BASE PORTION AN ANNULAR CAVITY, SAID BODY MEANS INCLUDING A CENTRAL EXTENSION EXTENDING THROUGH THE CENTRAL AREA OF SAID ANNULAR CAVITY, THE INNER SURFACE OF SAID BASE PORTION WHICH DEFINES SAID ANNULAR CAVITY HAVING GRIPPING MEANS FORMED THEREON, FLEXIBLE DRIP CHAMBER MEANS AND CONNECTOR MEANS ENGAGING SAID BODY EXTENSION AND WHICH MEANS INCLUDES AN OUTER SURFACE PORTION COOPERATING WITH SAID GRIPPING MEANS TO RETAIN THE FLEXIBLE DRIP CHAMBER MEANS IN CLAMPED POSITION WITHIN SAID ATTACHING BASE PORTION.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
US3193993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |