Patent US4683A successfully refreshed from Google Patents.
US4683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
waring and richard e
Assignee: —
•
Filing: —
•
Granted: 1846-08-08
•
Expires: 1863-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:19
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; D; D01; D01H; D01H1/00; D01H1/14; D01H1/36; B65H2701/00; B65H2701/30; B65H2701/31
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) | 1849-08-07 | 1850-02-06 | 1850-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1853-08-07 | 1854-02-06 | 1854-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1857-08-07 | 1858-02-06 | 1858-08-08 | $7700.00 | Window Closed / Lapsed |