Patent US2414515A successfully refreshed from Google Patents.
US2414515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw thread cutting machine
Assignee: Individual
•
Filing: 1944-06-19
•
Granted: 1947-01-21
•
Expires: 1964-06-19
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:03
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/564; Y10T408/5653; Y10T408/65; Y10T408/67; Y10T408/675; Y10T408/6771; Y10T408/6776; Y10T408/70; Y10T408/72
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1950-01-20 | 1950-07-22 | 1951-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-20 | 1954-07-22 | 1955-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-20 | 1958-07-22 | 1959-01-21 | $7700.00 | Window Closed / Lapsed |