Patent US2847997A successfully refreshed from Google Patents.
US2847997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter
Assignee: Individual
•
Filing: 1956-01-13
•
Granted: 1958-08-19
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 James J Tibone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:32
CPC Classifications
A; A61; A61M; A61M31/00; A61B; A61B17/00; A61B17/12; A61B17/12022; A61B17/12099; A61B17/12104; A61B17/12131; A61B17/12136; A61B17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1922084A
Cited
US2090354A
Cited
US2490168A
Cited
US2493326A
Cited
US2647515A
Cited
US2677375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |