Patent US2265360A successfully refreshed from Google Patents.
US3744779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrap recovery apparatus
Assignee: Horizons Research Inc
•
Filing: 1972-05-31
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Granted: 1973-07-10
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Expires: 1992-05-31
Abstract
Abstract The recovery of metal values in scrap materials by destructive distillation removal of organic non-metal materials, at temperatures which leave the metal relatively unaffected.
Inventors
- 👤 J Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:30
CPC Classifications
C; C22; C22B; C22B7/00; C22B7/04; C22B1/00; C22B1/005; C22B9/00; C22B9/10; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2154673A
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US2703230A
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US2815278A
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US3000766A
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US3404875A
Cited
US3401925A
Cited
US3484231A
Cited
US3674903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |