Patent US52370A successfully refreshed from Google Patents.
US52370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in cartridges for fire-arms
Assignee: —
•
Filing: —
•
Granted: 1866-01-30
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Expires: 1883-01-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:57
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02
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) | 1869-01-29 | 1869-07-31 | 1870-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-01-29 | 1873-07-31 | 1874-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-01-29 | 1877-07-31 | 1878-01-30 | $7700.00 | Window Closed / Lapsed |