US2690691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single spindle automatic lathe
Assignee: Cone Automatic Machine Co Inc
•
Filing: 1949-09-15
•
Granted: 1954-10-05
•
Expires: 1969-09-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Ranney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:50
CPC Classifications
B; B23; B23B; B23B7/00; B23B7/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5168; Y10T29/5171; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/15; Y10T82/154; Y10T82/156; Y10T82/25; Y10T82/2514; Y10T82/2516; Y10T82/2531; Y10T82/2541; Y10T82/2543
Claims Analysis
Total Claims: 0
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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) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |