US2818014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slab marking apparatus
Assignee: Jones and Laughlin Steel Corp
•
Filing: 1954-06-25
•
Granted: 1957-12-31
•
Expires: 1974-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jacquart Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:26
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/0076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US920995A
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US1987370A
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US2002847A
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US2232528A
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US2418213A
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US2690116A
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US2641995A
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US2641996A
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US2646746A
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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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |