US4879999B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the determination of proper endotracheal tube placement
Assignee: Nellcor Puritan Bennett LLC
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Filing: 1987-06-05
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Granted: 1996-02-06
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Expires: 2007-06-05
Abstract
No abstract record available.
Inventors
- 👤 Basil C Leiman
- 👤 Bruce D Butler
- 👤 Jeffrey Katz
- 👤 Henry H Salzarulo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0402; A61M16/0411; A61M2016/0413
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) | 1999-02-05 | 1999-08-07 | 2000-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-02-05 | 2003-08-07 | 2004-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-02-05 | 2007-08-07 | 2008-02-06 | $7700.00 | Window Closed / Lapsed |