Patent US780225A successfully refreshed from Google Patents.
US185339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in plates for mending sheet-metal ware
Assignee: —
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Filing: —
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Granted: 1876-12-12
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Expires: 1893-12-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:40
CPC Classifications
C; C23; C23C; C23C28/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12986
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) | 1879-12-12 | 1880-06-12 | 1880-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-12-12 | 1884-06-12 | 1884-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-12-12 | 1888-06-12 | 1888-12-12 | $7700.00 | Window Closed / Lapsed |