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US2625362A
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Assignee: Inland Steel Co
•
Filing: 1948-09-20
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Granted: 1953-01-13
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Expires: 1968-09-20
Abstract
No abstract record available.
Inventors
- 👤 Douglas N Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:41
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1609894A
Cited
DE610964C
Cited
US1442204A
Cited
US1813418A
Cited
US2031151A
Cited
AT148036B
Cited
US2231614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |