Patent US63882A successfully refreshed from Google Patents.
US63882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved device foe cutting washers
Assignee: —
•
Filing: —
•
Granted: 1867-04-16
•
Expires: 1884-04-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:06
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/05; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/86; Y10T408/87; Y10T408/8713; Y10T408/875
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) | 1870-04-15 | 1870-10-15 | 1871-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-04-15 | 1874-10-15 | 1875-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-04-15 | 1878-10-15 | 1879-04-16 | $7700.00 | Window Closed / Lapsed |