Patent US2747244A successfully refreshed from Google Patents.
US2747244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous mold for the continuous casting of metals
Assignee: Individual
•
Filing: 1953-07-15
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Granted: 1956-05-29
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Expires: 1973-07-15
Abstract
No abstract record available.
Inventors
- 👤 Norman P Goss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:17
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/07; B22D11/04; B22D11/0401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A MOLD FOR THE CONTINUOUS CASTING OF METAL FROM THE MOLTEN STATE COMPRISING A COOLED TUBULAR SLEEVE OF HEAT CONDUCTING MATERIAL, A SLEEVE OF POROUS MATERIAL OF HIGH HEAD CONDUCTIVITY HAVING A LABYRINTH OF FINE INTERCONNECTED CAPILLARY PORES AND DISPOSED INSIDE OF SAID FIRST NAMED SLEEVE, SAID POROUS SLEEVE BEING IN HEATCONDUCTING CONTACT WITH SAID FIRST NAMED SLEEVE OVER SUB-
Claim 2
Dependent Claim
60 words
A MOLD FOR THE CONTINUOUS CASTING OF METAL FROM THE MOLTEN STATE COMPRISING A COOLED TUBULAR SLEEVE OF HEAT CONDUCTING MATERIAL, A SLEEVE OF POROUS MATERIAL OF HIGH HEAD CONDUCTIVITY HAVING A LABYRINTH OF FINE INTERCONNECTED CAPILLARY PORES AND DISPOSED INSIDE OF SAID FIRST NAMED SLEEVE, SAID POROUS SLEEVE BEING IN HEATCONDUCTING CONTACT WITH SAID FIRST NAMED SLEEVE OVER SUB-
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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |