US2518813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic machine tool
Assignee: PEERCO Inc
•
Filing: 1944-06-24
•
Granted: 1950-08-15
•
Expires: 1964-06-24
Abstract
No abstract record available.
Inventors
- 👤 William S Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
B; B23; B23B; B23B9/00; B23B9/02; Y; Y10; Y10S; Y10S470/00; Y10S470/902; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5125; Y10T29/5152; Y10T29/5165; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541
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) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |