Patent US2984626A successfully refreshed from Google Patents.
US2984626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of metal halide ingots
Assignee: Union Carbide Corp
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Filing: 1956-10-16
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Granted: 1961-05-16
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Expires: 1976-10-16
Abstract
No abstract record available.
Inventors
- 👤 Robert A Lefever
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:55
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/007; C30B29/00; C30B29/10; C30B29/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
IN A PROCESS FOR GROWING A SODIUM IODIDE INGOT CONTAINING A SMALL QUANTITY OF THALLIUM IODIDE, THE STEPS COMPRISING HEATING RAW CONSTITUENTS OF SUCH INGOT TO AN ELEVATED TEMPERATURE ABOVE THE MELTING POINTS OF SAID RAW CONSTITUENTS TO FORM A FUSED MELT, MAINTAINING SUCH FUSED STATE AND SUBSTANTIALLY CONTINUOUSLY AGITATING SAID FUSED MELT THEREBY SUBSTANTIALLY UNIFORMLY DISTRIBUTING THE THALLIUM IODIDE THROUGHOUT THE SODIUM IODIDE AND THE HEAT MELT, GRADUALLY COOLING SAID FUSED MELT, INITIATING CRYSTAL-
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |