US847133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trepan.
Assignee: Individual
•
Filing: 1905-10-28
•
Granted: 1907-03-12
•
Expires: 1925-10-28
Abstract
No abstract record available.
Inventors
- 👤 Ramon Velasco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:54
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/1695
Claims Analysis
Total Claims: 0
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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) | 1910-03-11 | 1910-09-10 | 1911-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-03-11 | 1914-09-10 | 1915-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-03-11 | 1918-09-10 | 1919-03-12 | $7700.00 | Window Closed / Lapsed |