Patent US2490307A successfully refreshed from Google Patents.
US2490307A
Expired / Lapsed
US
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Stop device for machine tools
Assignee: ATLAS PRESS CO
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Filing: 1947-08-18
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Granted: 1949-12-06
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Expires: 1967-08-18
Abstract
No abstract record available.
Inventors
- 👤 Karr Michael Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:10
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/001; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/96; Y10T408/99; Y10T74/00; Y10T74/19; Y10T74/19614; Y10T74/19642; Y10T74/19698; Y10T74/19819
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |