Patent US1493A successfully refreshed from Google Patents.
US1493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for
Assignee: —
•
Filing: —
•
Granted: 1840-02-18
•
Expires: 1857-02-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:33
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/01; B26D7/015; Y; Y10; Y10S; Y10S505/00; Y10S505/725; Y10S505/726; Y10T; Y10T83/00; Y10T83/748; Y10T83/7593; Y10T83/7647; Y10T83/7653
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) | 1843-02-17 | 1843-08-19 | 1844-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1847-02-17 | 1847-08-19 | 1848-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1851-02-17 | 1851-08-19 | 1852-02-18 | $7700.00 | Window Closed / Lapsed |