Patent US2179784A successfully refreshed from Google Patents.
Patent US2416652A successfully refreshed from Google Patents.
US2416652A
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US
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Automatic cutting apparatus
Assignee: BETHLEBEM STEEL Co
•
Filing: 1941-02-05
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Granted: 1947-02-25
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Expires: 1961-02-05
Abstract
No abstract record available.
Inventors
- 👤 Richard H Stevens
- 👤 Wilson Tom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:31
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/18; B23D45/20; B23D36/00; B23D36/0008; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414; Y10T83/465; Y10T83/4708; Y10T83/4711; Y10T83/4757; Y10T83/869; Y10T83/8696; Y10T83/87; Y10T83/8776; Y10T83/8785
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) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |