Patent US3179989A successfully refreshed from Google Patents.
US3179989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting mold
Assignee: United States Steel Corp
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Filing: 1962-03-01
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Granted: 1965-04-27
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 John N Hornak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:36
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE COMBINATION WITH A TUBULAR CONTINUOUS-CASTING MOLD RECTANGULAR IN CROSS-SECTION, HAVING PAIRS OF OPPOSED SIDE WALLS, OF A SHIELDING BAR SLIDABLE ALONG THE TOP OF AT LEAST ONE OF SAID WALLS, AND MEANS FOR SLIDING SAID BAR ALONG ONE OF SAID WALLS.
Claim 2
Dependent Claim
42 words
THE COMBINATION WITH A TUBULAR CONTINUOUS-CASTING MOLD RECTANGULAR IN CROSS-SECTION, HAVING PAIRS OF OPPOSED SIDE WALLS, OF A SHIELDING BAR SLIDABLE ALONG THE TOP OF AT LEAST ONE OF SAID WALLS, AND MEANS FOR SLIDING SAID BAR ALONG ONE OF SAID WALLS.
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |