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US19342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in powder-flasks
Assignee: —
•
Filing: —
•
Granted: 1858-02-16
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Expires: 1875-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:01
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/10; G01F11/12; G01F11/14; G01F11/18
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) | 1861-02-15 | 1861-08-17 | 1862-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1865-02-15 | 1865-08-17 | 1866-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1869-02-15 | 1869-08-17 | 1870-02-16 | $7700.00 | Window Closed / Lapsed |