US116579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in nickel platings
Assignee: —
•
Filing: —
•
Granted: 1871-07-04
•
Expires: 1888-07-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:30
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; C; C01; C01G; C01G1/00
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) | 1874-07-03 | 1875-01-02 | 1875-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1878-07-03 | 1879-01-02 | 1879-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1882-07-03 | 1883-01-02 | 1883-07-04 | $7700.00 | Window Closed / Lapsed |