US2614446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple spindle lathe
Assignee: Cone Automatic Machine Co Inc
•
Filing: 1946-10-17
•
Granted: 1952-10-21
•
Expires: 1966-10-17
Abstract
No abstract record available.
Inventors
- 👤 Carroll E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:12
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/30; Y; Y10; Y10T; Y10T279/00; Y10T279/35; Y10T29/00; Y10T29/51; Y10T29/5168; Y10T29/5171; Y10T29/5172; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3806; Y10T408/3809; Y10T408/381; Y10T82/00; Y10T82/25; Y10T82/2524; Y10T82/2552
Claims Analysis
Total Claims: 0
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US2443220A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |