US2286457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic lathe
Assignee: Firm Tavennes Machines Co S A
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Filing: 1940-10-24
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Granted: 1942-06-16
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Expires: 1960-10-24
Abstract
No abstract record available.
Inventors
- 👤 Boillat Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:46
CPC Classifications
B; B23; B23B; B23B7/00; B23B7/02; B23B7/10; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5179; Y10T408/00; Y10T408/65
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) | 1945-06-15 | 1945-12-15 | 1946-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-15 | 1949-12-15 | 1950-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-15 | 1953-12-15 | 1954-06-16 | $7700.00 | Window Closed / Lapsed |