Patent US2332797A successfully refreshed from Google Patents.
US2332797A
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Assignee: Carnegie Illinois Steel Corp
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Filing: 1941-10-18
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Granted: 1943-10-26
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Expires: 1961-10-18
Abstract
No abstract record available.
Inventors
- 👤 Patrick H Hume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:06
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/04; G01B7/042; G01B7/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-25 | 1947-04-26 | 1947-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-25 | 1951-04-26 | 1951-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-25 | 1955-04-26 | 1955-10-26 | $7700.00 | Window Closed / Lapsed |