Patent US85520A successfully refreshed from Google Patents.
US85520A
Expired / Lapsed
US
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Improved apparatus for making wire of sheet-metal
Assignee: —
•
Filing: —
•
Granted: 1869-01-05
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Expires: 1886-01-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:21
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/08; B21B1/0815; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4844
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) | 1872-01-05 | 1872-07-06 | 1873-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-01-05 | 1876-07-06 | 1877-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-01-05 | 1880-07-06 | 1881-01-05 | $7700.00 | Window Closed / Lapsed |