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US17312A
Expired / Lapsed
US
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Improvement in projectiles
Assignee: —
•
Filing: —
•
Granted: 1857-05-19
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Expires: 1874-05-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:02
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/14; F42B10/16
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) | 1860-05-18 | 1860-11-17 | 1861-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-05-18 | 1864-11-17 | 1865-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-05-18 | 1868-11-17 | 1869-05-19 | $7700.00 | Window Closed / Lapsed |