US2570405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for controlling the operation of machining and cutting devices
Assignee: IND SCIENT Co
•
Filing: 1945-05-02
•
Granted: 1951-10-09
•
Expires: 1965-05-02
Abstract
No abstract record available.
Inventors
- 👤 William S Tandler
- 👤 David S Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:28
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/875
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1068721A
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US1544655A
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US2438098A
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US2477041A
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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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |