US689845A
Expired / Lapsed
US
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Mechanism for controlling cutting-tools of lathes, &c.
Assignee: J E SCHOOLFIELD
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Filing: 1901-04-13
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Granted: 1901-12-31
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Expires: 1921-04-13
Abstract
No abstract record available.
Inventors
- 👤 Benjamin D Barrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:24
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2545
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) | 1904-12-30 | 1905-07-01 | 1905-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-30 | 1909-07-01 | 1909-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-30 | 1913-07-01 | 1913-12-31 | $7700.00 | Window Closed / Lapsed |