US3402718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endotracheal tube with valved balloon having removable inflation means and balloon rupturing means associated therewith
Assignee: Individual
•
Filing: 1965-08-12
•
Granted: 1968-09-24
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Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 George O Doherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:00
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0434; A61M16/045; A61M25/00; A61M25/10; A61M25/1018; A61M25/10184; A61M25/10185; A61M2210/00; A61M2210/10; A61M2210/1078; A61M2210/1089
Claims Analysis
Total Claims: 0
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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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |