US3605751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracheotomy tube assembly
Assignee: Rhone Poulenc SA
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Filing: 1969-10-10
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Granted: 1971-09-20
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Expires: 1989-10-10
Abstract
Abstract A TRACHEAL DEVICE, FOR USE I/N TRACHEOTOMY IN WHICH A MAIN TUBE IS INSERTED IN THE TRACHEA. A LATERAL ORIFICE THEREIN ACCOMMODATES THE REDUCED END PORTION OF AN EXTERNAL LATERAL TUBE WHICH IS FITTED AFTER THE TRECHEOTOMY. A CLIP HAVING HOOKS THEREON PASSES THROUGH THE EXTERNAL TUBE AND AN INTERNAL TUBE IS PUSHED IN TO FORCE THE HOOKS TO ENGAGE ON THE INTERIOR OF THE MAIN TUBE, THUS HOLDING THE TWO TUBES AND THE CLIP IN PLACE.
Inventors
- 👤 Roger Gulling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:52
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |