US2655994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for cutting apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1950-05-31
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Granted: 1953-10-20
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Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Vandenberg Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:10
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0041; Y; Y10; Y10T; Y10T83/00; Y10T83/141; Y10T83/525; Y10T83/527; Y10T83/528; Y10T83/53; Y10T83/531; Y10T83/533
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |