US3419009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented surgical drainage tube with flushing protective valve
Assignee: Kendall Co
•
Filing: 1966-05-09
•
Granted: 1968-12-31
•
Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Richard E Ericson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:27
CPC Classifications
A; A61; A61D; A61D1/00; A61D1/12; A61F; A61F5/00; A61F5/44; A61F5/441; A61M; A61M27/00; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A SURGICAL DRAINAGE TUBE FOR USE IN CONJUNCTION WITH THE DRAINING OF FLUIDS FROM BODY CAVITIES THROUGH A DRAINAGE CHANNEL IN THE TUBE, SAID TUBE HAVING FIRST OPENING THEREIN THROUGH WHICH THE FLUID MAY PASS INTO SAID CHANNEL AND A SECOND OPENING THEREIN SPACED FROM SAID FIRST OPENING THROUGH WHICH THE FLUID MAY PASS FROM SAID CHANNEL, THE IMPROVEMENT IN COMBINATION THEREWITH COMPRISING AN AIR CHANNEL COMMUNICATING WITH THE DRAINAGE CHANNEL, SAID AIR CHANNEL COMMUNICATING WITH THE DRAINAGE CHANNEL, SAID VALVE MEANS CAPABLE OF PASSING AIR PASSAGEWAY THERETHROUGH COMMUNICATING WITH THE DRAINAGE CHANNEL, SAID VALVE MEANS CAPABLE OF PASSING AIR THERETHROUGH FROM THE FILTER TO THE DRAINAGE CHANNEL AND PREVENTING THE PASSAGE OF BODY FLUIDS IN THE REVERSE DIRECTION FROM SAID CHANNEL TO SAID FILTER.
Claim 2
Dependent Claim
126 words
IN A SURGICAL DRAINAGE TUBE FOR USE IN CONJUNCTION WITH THE DRAINING OF FLUIDS FROM BODY CAVITIES THROUGH A DRAINAGE CHANNEL IN THE TUBE, SAID TUBE HAVING FIRST OPENING THEREIN THROUGH WHICH THE FLUID MAY PASS INTO SAID CHANNEL AND A SECOND OPENING THEREIN SPACED FROM SAID FIRST OPENING THROUGH WHICH THE FLUID MAY PASS FROM SAID CHANNEL, THE IMPROVEMENT IN COMBINATION THEREWITH COMPRISING AN AIR CHANNEL COMMUNICATING WITH THE DRAINAGE CHANNEL, SAID AIR CHANNEL COMMUNICATING WITH THE DRAINAGE CHANNEL, SAID VALVE MEANS CAPABLE OF PASSING AIR PASSAGEWAY THERETHROUGH COMMUNICATING WITH THE DRAINAGE CHANNEL, SAID VALVE MEANS CAPABLE OF PASSING AIR THERETHROUGH FROM THE FILTER TO THE DRAINAGE CHANNEL AND PREVENTING THE PASSAGE OF BODY FLUIDS IN THE REVERSE DIRECTION FROM SAID CHANNEL TO SAID FILTER.
References Cited (Backward Citations)
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US2768639A
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US2112666A
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US2594318A
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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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |