Patent US2855932A successfully refreshed from Google Patents.
US2634811A
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Control system for cutting apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1949-02-25
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Granted: 1953-04-14
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Expires: 1969-02-25
Abstract
No abstract record available.
Inventors
- 👤 Schaelchlin Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:53
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0041; Y; Y10; Y10T; Y10T83/00; Y10T83/141; Y10T83/159; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4659; Y10T83/4662; Y10T83/626; Y10T83/637
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1991083A
Cited
US2298877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |