Patent US2221124A successfully refreshed from Google Patents.
US3384089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical wound drain having an inner collapsible tube preventing reverse flow into the wound
Assignee: Individual
•
Filing: 1966-03-11
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Granted: 1968-05-21
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Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Shriner Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:08
CPC Classifications
A; A61; A61M; A61M27/00; A61M27/002; A61M27/008; A61M25/00; A61M25/0067; A61M25/0074; A61M25/0075; A61M2025/0076; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7898
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SURGICAL DRAIN COMPRISING AN OUTER AXIALLY BENDABLE TUBE WHICH IS SUBSTANTIALLY NONCOLLAPSIBLE, AN INNER COLLAPSIBLE TUBE COAXIALLY DISPOSED IN THE OUTER TUBE AND BENDABLE THEREWITH, SAID INNER TUBE HAVING AN OUTER DIAMETER WHEN UNCOLLAPSED TO ESTABLISH A SEALING INTERFACIAL CONTACT WITH THE OUTER TUBE, SAID TUBES BEING FORMED WITH ADJACENT CLOSED ENDS AND HAVING NONREGISTERED ORIFICES THEREIN, THE OPPOSITE ENDS TO SAID TUBES BEING OPEN.
Claim 2
Dependent Claim
66 words
A SURGICAL DRAIN COMPRISING AN OUTER AXIALLY BENDABLE TUBE WHICH IS SUBSTANTIALLY NONCOLLAPSIBLE, AN INNER COLLAPSIBLE TUBE COAXIALLY DISPOSED IN THE OUTER TUBE AND BENDABLE THEREWITH, SAID INNER TUBE HAVING AN OUTER DIAMETER WHEN UNCOLLAPSED TO ESTABLISH A SEALING INTERFACIAL CONTACT WITH THE OUTER TUBE, SAID TUBES BEING FORMED WITH ADJACENT CLOSED ENDS AND HAVING NONREGISTERED ORIFICES THEREIN, THE OPPOSITE ENDS TO SAID TUBES BEING OPEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |