US16733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw-wren-ch
Assignee: —
•
Filing: —
•
Granted: 1857-03-03
•
Expires: 1874-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:34
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/10; B25B13/12; B25B13/16
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) | 1860-03-02 | 1860-09-01 | 1861-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-03-02 | 1864-09-01 | 1865-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-03-02 | 1868-09-01 | 1869-03-03 | $7700.00 | Window Closed / Lapsed |