Patent US891871A successfully refreshed from Google Patents.
Patent US285091A successfully refreshed from Google Patents.
US285091A
Expired / Lapsed
US
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Machine for cutting sheet metal
Assignee: —
•
Filing: —
•
Granted: 1883-09-18
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Expires: 1900-09-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:27
CPC Classifications
B; B27; B27B; B27B27/00; B27B27/02; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/7593; Y10T83/7647; Y10T83/869; Y10T83/8798; Y10T83/8799; Y10T83/8801; Y10T83/929; Y10T83/9411; Y10T83/9447
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) | 1886-09-17 | 1887-03-19 | 1887-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-09-17 | 1891-03-19 | 1891-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-09-17 | 1895-03-19 | 1895-09-18 | $7700.00 | Window Closed / Lapsed |