US1297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine fob
Assignee: —
•
Filing: —
•
Granted: 1839-08-21
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Expires: 1856-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:12
CPC Classifications
B; B27; B27F; B27F1/00; B27F1/02; B27F1/04
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) | 1842-08-20 | 1843-02-19 | 1843-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1846-08-20 | 1847-02-19 | 1847-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1850-08-20 | 1851-02-19 | 1851-08-21 | $7700.00 | Window Closed / Lapsed |