US426933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Office
Assignee: —
•
Filing: —
•
Granted: 1890-04-29
•
Expires: 1907-04-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:17
CPC Classifications
D; D21; D21C; D21C3/00; D21C3/20
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) | 1893-04-28 | 1893-10-28 | 1894-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-04-28 | 1897-10-28 | 1898-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-04-29 | 1901-10-29 | 1902-04-30 | $7700.00 | Window Closed / Lapsed |