US2162681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bronchoscope
Assignee: Individual
•
Filing: 1938-06-13
•
Granted: 1939-06-13
•
Expires: 1958-06-13
Abstract
No abstract record available.
Inventors
- 👤 Oval T Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:00
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/24; A61B1/00; A61B1/267; A61B1/2676; A61B17/22; A61B17/221; A61B17/30; A61B2017/2215
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-06-12 | 1942-12-12 | 1943-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-12 | 1946-12-12 | 1947-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-12 | 1950-12-12 | 1951-06-13 | $7700.00 | Window Closed / Lapsed |