US224829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sojnt
Assignee: —
•
Filing: —
•
Granted: 1880-02-24
•
Expires: 1897-02-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:27
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/73
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) | 1883-02-23 | 1883-08-25 | 1884-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-02-23 | 1887-08-25 | 1888-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-02-23 | 1891-08-25 | 1892-02-24 | $7700.00 | Window Closed / Lapsed |