Patent US30520A successfully refreshed from Google Patents.
US30520A
Expired / Lapsed
US
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Machine for cutting boot and shoe soles
Assignee: —
•
Filing: —
•
Granted: 1860-10-23
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Expires: 1877-10-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:18
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/10; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5815; Y10T83/748; Y10T83/7593; Y10T83/764; Y10T83/869; Y10T83/8727; Y10T83/8729; Y10T83/8737
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) | 1863-10-23 | 1864-04-23 | 1864-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-10-23 | 1868-04-23 | 1868-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-10-23 | 1872-04-23 | 1872-10-23 | $7700.00 | Window Closed / Lapsed |