US3262165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-insulating compositions and their use
Assignee: Sandvik AB
•
Filing: 1963-12-09
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Granted: 1966-07-26
•
Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Ingham Anthony John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:45
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/04; B; B22; B22D; B22D7/00; B22D7/06; B22D7/10; B22D7/104; C04; C04B; C04B18/00; C04B18/04; C04B18/18; C04B18/24; C04B18/245; C04B26/00; C04B26/02; C04B28/00; C22B5/06; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD FOR THE PRODUCTION OF CASTINGS AND INGOTS WHEREIN MOLTEN METAL PASSED INTO A MOULD WHEREIN THE HEAD OF THE MOULD IS PROVIDED WITH SLABS OF HEATINSULATING COMPOSITION BEING A COMPOSITION CONSISTING ESSENTIALLY OF 50 TO 94 PARTS BY WEIGHT OF A GRANULAR HEATINSULATING REFRACTORY MATERIAL, 5 TO 35 PARTS BY WEIGHT OF CORK IN PARTICULATE FORM, 0 TO 15 PARTS BY WEIGHT OF INORGANIC FIBROUS REFRACTORY MATERIAL AND 1 TO 20 PARTS BY WEIGHT OF A BINDER MATERIAL.
Claim 2
Independent Claim
80 words
A METHOD FOR THE PRODUCTION OF CASTINGS AND INGOTS WHEREIN MOLTEN METAL PASSED INTO A MOULD WHEREIN THE HEAD OF THE MOULD IS PROVIDED WITH SLABS OF HEATINSULATING COMPOSITION BEING A COMPOSITION CONSISTING ESSENTIALLY OF 50 TO 94 PARTS BY WEIGHT OF A GRANULAR HEATINSULATING REFRACTORY MATERIAL, 5 TO 35 PARTS BY WEIGHT OF CORK IN PARTICULATE FORM, 0 TO 15 PARTS BY WEIGHT OF INORGANIC FIBROUS REFRACTORY MATERIAL AND 1 TO 20 PARTS BY WEIGHT OF A BINDER MATERIAL.
References Cited (Backward Citations)
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Cited
US2324786A
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US2390500A
Cited
US2863192A
Cited
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Cited
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Cited
GB903502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |