Patent US3023A successfully refreshed from Google Patents.
US3023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
peters
Assignee: —
•
Filing: —
•
Granted: 1843-03-30
•
Expires: 1860-03-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:30
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/006
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) | 1846-03-29 | 1846-09-28 | 1847-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1850-03-29 | 1850-09-28 | 1851-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1854-03-29 | 1854-09-28 | 1855-03-30 | $7700.00 | Window Closed / Lapsed |