US2817990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic lathe
Assignee: Cone Automatic Machine Co Inc
•
Filing: 1953-10-07
•
Granted: 1957-12-31
•
Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Carroll E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:52
CPC Classifications
B; B23; B23B; B23B9/00; B23B9/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5178; Y10T82/00; Y10T82/25; Y10T82/2524; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US376843A
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US1878628A
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US2065933A
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US2089078A
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US2539506A
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US2677296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |