US3483869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical probes
Assignee: Rolls Royce Power Engineering PLC
•
Filing: 1967-02-13
•
Granted: 1969-12-16
•
Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 Michael John Hayhurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:52
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/007; A61B; A61B18/00; A61B18/02; A61B2018/00005; A61B2018/00041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |