Patent US2422005A successfully refreshed from Google Patents.
Patent US48027A successfully refreshed from Google Patents.
US48027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in tools
Assignee: —
•
Filing: —
•
Granted: 1865-05-30
•
Expires: 1882-05-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:27
CPC Classifications
B; B25; B25F; B25F1/00; B25F1/006; B25B; B25B13/00; B25B13/10; B25B13/12; B25B13/14
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) | 1868-05-29 | 1868-11-28 | 1869-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1872-05-29 | 1872-11-28 | 1873-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1876-05-29 | 1876-11-28 | 1877-05-30 | $7700.00 | Window Closed / Lapsed |