US2541402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endobronchial intubating stylet
Assignee: Individual
•
Filing: 1948-01-13
•
Granted: 1951-02-13
•
Expires: 1968-01-13
Abstract
No abstract record available.
Inventors
- 👤 Curtis W Caine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:38
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0133; A61M25/0152; A61B; A61B1/00; A61B1/267; A61B1/2676; A61M16/00; A61M16/04; A61M16/0402; A61M16/0418; A61M25/09; A61M25/09016; A61M25/09025; A61M16/0488; C; C10; C10M; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104
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) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |