Patent US150276A successfully refreshed from Google Patents.
US150276A
Expired / Lapsed
US
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Improvement in metal-turning tools
Assignee: —
•
Filing: —
•
Granted: 1874-04-28
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Expires: 1891-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:26
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2252; Y10T407/2256; Y10T407/226; Y10T407/2272; Y10T407/2282; Y10T407/2292
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) | 1877-04-27 | 1877-10-27 | 1878-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-04-27 | 1881-10-27 | 1882-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-04-27 | 1885-10-27 | 1886-04-28 | $7700.00 | Window Closed / Lapsed |