Patent US2958656A successfully refreshed from Google Patents.
US9978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cutting sheet metal
Assignee: —
•
Filing: —
•
Granted: 1853-08-30
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Expires: 1870-08-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:35
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/16; B27B5/18; B27B5/188; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7755; Y10T83/7763; Y10T83/7768; Y10T83/7776; Y10T83/778; Y10T83/7863; Y10T83/929; Y10T83/9372
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) | 1856-08-29 | 1857-02-28 | 1857-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1860-08-29 | 1861-02-28 | 1861-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1864-08-29 | 1865-02-28 | 1865-08-30 | $7700.00 | Window Closed / Lapsed |