Patent US1685371A successfully refreshed from Google Patents.
US9842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
montgomery
Assignee: —
•
Filing: —
•
Granted: 1853-07-12
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Expires: 1870-07-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:23
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C2003/0404; E04C2003/0426; E04C2003/0434
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) | 1856-07-11 | 1857-01-10 | 1857-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1860-07-11 | 1861-01-10 | 1861-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1864-07-11 | 1865-01-10 | 1865-07-12 | $7700.00 | Window Closed / Lapsed |