US4714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Robert s
Assignee: —
•
Filing: —
•
Granted: 1846-08-26
•
Expires: 1863-08-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:59
CPC Classifications
D; D07; D07B; D07B3/00; D07B3/02; D07B3/06
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) | 1849-08-25 | 1850-02-24 | 1850-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1853-08-25 | 1854-02-24 | 1854-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1857-08-25 | 1858-02-24 | 1858-08-26 | $7700.00 | Window Closed / Lapsed |