Patent US1857962A successfully refreshed from Google Patents.
US245663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dbmmon eowlby and cecil g
Assignee: —
•
Filing: —
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Granted: 1881-08-16
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Expires: 1898-08-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:33
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/006; C; C25; C25D; C25D17/00; C25D17/16; C25D17/18; C25D17/20
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) | 1884-08-15 | 1885-02-14 | 1885-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-08-15 | 1889-02-14 | 1889-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-08-15 | 1893-02-14 | 1893-08-16 | $7700.00 | Window Closed / Lapsed |