US3246374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for casting metals into asbestoscontaining mold coating
Assignee: Union Carbide Corp
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Filing: 1964-06-11
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Granted: 1966-04-19
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 George W Belcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:18
CPC Classifications
B; B22; B22C; B22C23/00; B22C23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
PROCESS FOR CASTING METALS IN A FLUID SLAG CASTING MOLD COMPRISING PROVIDING ON THE INTERIOR SURFACES OF A CASTING MOLD A COATING OF ASBESTOS FIBERS AND PARTICULATED CASTING SLAG MATERIAL, POURING METAL INTO THE SOCOATED MOLD WHEREBY THE HEAT OF THE MOLTEN METAL FUSES THE PARTICULATED CASTING SLAG MATERIAL AND CONTAINED ASBESTOS TO FORM A SHELL OF FLUID CASTING SLAG BETWEEN THE CAST BODY AND THE WALLS OF THE MOLD, AND SOLIDIFYING THE METAL BODY IN THE MOLD-SUPPORTED SHELL OF CASTING SLAG.
Claim 2
Dependent Claim
82 words
PROCESS FOR CASTING METALS IN A FLUID SLAG CASTING MOLD COMPRISING PROVIDING ON THE INTERIOR SURFACES OF A CASTING MOLD A COATING OF ASBESTOS FIBERS AND PARTICULATED CASTING SLAG MATERIAL, POURING METAL INTO THE SOCOATED MOLD WHEREBY THE HEAT OF THE MOLTEN METAL FUSES THE PARTICULATED CASTING SLAG MATERIAL AND CONTAINED ASBESTOS TO FORM A SHELL OF FLUID CASTING SLAG BETWEEN THE CAST BODY AND THE WALLS OF THE MOLD, AND SOLIDIFYING THE METAL BODY IN THE MOLD-SUPPORTED SHELL OF CASTING SLAG.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |