Patent US4054233A successfully refreshed from Google Patents.
US16646A
Expired / Lapsed
US
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Improved machine for varnishing percussion-caps
Assignee: —
•
Filing: —
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Granted: 1857-02-17
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Expires: 1874-02-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
F; F42; F42B; F42B33/00; F42B33/14
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) | 1860-02-17 | 1860-08-18 | 1861-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-02-17 | 1864-08-18 | 1865-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-02-17 | 1868-08-18 | 1869-02-17 | $7700.00 | Window Closed / Lapsed |