US2392486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Individual
•
Filing: 1943-10-20
•
Granted: 1946-01-08
•
Expires: 1963-10-20
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:39
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23D; B23D53/00; B23D53/12; B23D55/00; B23D55/06; B23D55/065; Y; Y10; Y10T; Y10T29/00; Y10T29/44; Y10T408/00; Y10T408/39; 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) | 1949-01-07 | 1949-07-09 | 1950-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-07 | 1953-07-09 | 1954-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-07 | 1957-07-09 | 1958-01-08 | $7700.00 | Window Closed / Lapsed |