US557801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alejandro gual y s
Assignee: —
•
Filing: —
•
Granted: 1896-04-07
•
Expires: 1913-04-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02
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) | 1899-04-07 | 1899-10-07 | 1900-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-04-08 | 1903-10-08 | 1904-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-04-08 | 1907-10-08 | 1908-04-08 | $7700.00 | Window Closed / Lapsed |