Patent US92395A successfully refreshed from Google Patents.
US92395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved boring-tool
Assignee: —
•
Filing: —
•
Granted: 1869-07-06
•
Expires: 1886-07-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:47
CPC Classifications
B; B23; B23B; B23B3/00; Y; Y10; Y10T; Y10T82/00; Y10T82/24
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) | 1872-07-05 | 1873-01-04 | 1873-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-07-05 | 1877-01-04 | 1877-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-07-05 | 1881-01-04 | 1881-07-06 | $7700.00 | Window Closed / Lapsed |