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Patent US2452343A successfully refreshed from Google Patents.
US2452343A
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Apparatus for hot sawing
Assignee: Bethlehem Steel Corp
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Filing: 1942-05-23
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Granted: 1948-10-26
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Expires: 1962-05-23
Abstract
No abstract record available.
Inventors
- 👤 Wilson Tom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:52
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/18; B23D45/20; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4714; Y10T83/4757; Y10T83/647; Y10T83/768; Y10T83/7755; Y10T83/7763; Y10T83/7776; Y10T83/778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US558646A
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US1418437A
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US1533263A
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US1990481A
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US1777802A
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US1946926A
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US2079974A
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US2013303A
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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) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |