Patent US4526794A successfully refreshed from Google Patents.
Patent US3124855A successfully refreshed from Google Patents.
US3124855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baier
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:07
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/049; B22D11/12; B22D11/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
THE METHOD OF CONTINUOUSLY CATING METAL IN A MOLD, SAID MOLD HAVING A MOLD POCKET, SAID MOLD POCKET HAVING A GRAPHITE WALL WITH AN EFFECTIVE IN LENGTH OF LONGITUDINAL TAPER CONVERGING TOWARD ITS DISCHARGE END, SAID MOLD POCKET HAIVNG, WITH RESPECT TO ITS LONGITUDINAL AXIS AND THROUGHOUT SAID EFFECTIVE LENGTH OF TAPER, A CROSS SECTION SUBSTANTIALLY SYMMETRICAL WITH RESPECT TO RADIAL HEAT TRANS FER, SAID EFFECTIVE LENGTH OF TAPER BEING GREATER THAN THE MAXIMUM CROSS-SECTIONAL DIMENSION OF THE MOLD POCKET AT SAID EFFECTIVE LENGTH OF TAPER, THE ANGLE OF SAID TAPER, WITH RESPECT TO SAID LONGITUDINAL AXIS, BEING SUFFICIENTLY SMALL THAT THE MOLD POCKET RETAINS SUBSTANTIAL UNIFORMITY OF CROSS SECTION THROUGHOUT SAID EFFECTIVE LENGTH OF TAPER; SAID METHOD COMPRISING MELTING THE METAL AT A POINT REMOVED FROM THE MOLD AND FEEDING MOLTEN METAL INTO THE MOLD POCKET, CASTING AND COOLING AT SUCH RATES AS TO FORM A CRATER SHELL WITH A COMPARATIVELY LONG, SLENDER, SUBSTANTIALLY CIRCULAR CRATER EXTENDING ALONG THE MOLD
Claim 2
Independent Claim
161 words
THE METHOD OF CONTINUOUSLY CATING METAL IN A MOLD, SAID MOLD HAVING A MOLD POCKET, SAID MOLD POCKET HAVING A GRAPHITE WALL WITH AN EFFECTIVE IN LENGTH OF LONGITUDINAL TAPER CONVERGING TOWARD ITS DISCHARGE END, SAID MOLD POCKET HAIVNG, WITH RESPECT TO ITS LONGITUDINAL AXIS AND THROUGHOUT SAID EFFECTIVE LENGTH OF TAPER, A CROSS SECTION SUBSTANTIALLY SYMMETRICAL WITH RESPECT TO RADIAL HEAT TRANS FER, SAID EFFECTIVE LENGTH OF TAPER BEING GREATER THAN THE MAXIMUM CROSS-SECTIONAL DIMENSION OF THE MOLD POCKET AT SAID EFFECTIVE LENGTH OF TAPER, THE ANGLE OF SAID TAPER, WITH RESPECT TO SAID LONGITUDINAL AXIS, BEING SUFFICIENTLY SMALL THAT THE MOLD POCKET RETAINS SUBSTANTIAL UNIFORMITY OF CROSS SECTION THROUGHOUT SAID EFFECTIVE LENGTH OF TAPER; SAID METHOD COMPRISING MELTING THE METAL AT A POINT REMOVED FROM THE MOLD AND FEEDING MOLTEN METAL INTO THE MOLD POCKET, CASTING AND COOLING AT SUCH RATES AS TO FORM A CRATER SHELL WITH A COMPARATIVELY LONG, SLENDER, SUBSTANTIALLY CIRCULAR CRATER EXTENDING ALONG THE MOLD
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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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |