US2849905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling water spray head and collector trough for mill rolls
Assignee: United States Steel Corp
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Filing: 1955-01-21
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Granted: 1958-09-02
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Expires: 1975-01-21
Abstract
No abstract record available.
Inventors
- 👤 Heinz Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:17
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/06; B21B27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |