Patent US184579A successfully refreshed from Google Patents.
US184579A
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US
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Improvement in devices for cutting out and cupping planchets
Assignee: —
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Filing: —
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Granted: 1876-11-21
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Expires: 1893-11-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:15
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/06
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) | 1879-11-21 | 1880-05-22 | 1880-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-11-21 | 1884-05-22 | 1884-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-11-21 | 1888-05-22 | 1888-11-21 | $7700.00 | Window Closed / Lapsed |