US486339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
johnston
Assignee: —
•
Filing: —
•
Granted: 1892-11-15
•
Expires: 1909-11-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/10; D21C9/1026; D21C9/1036
Claims Analysis
Total Claims: 0
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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) | 1895-11-15 | 1896-05-16 | 1896-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-11-15 | 1900-05-17 | 1900-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-11-16 | 1904-05-17 | 1904-11-16 | $7700.00 | Window Closed / Lapsed |