US3556962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for reclaiming copper scrap containing titanium and/or iron
Assignee: Olin Corp
•
Filing: 1968-01-24
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Granted: 1971-01-19
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Expires: 1988-01-24
Abstract
Abstract THIS DISCLOSURE TEACHES THE RECLAMATION OF COPPER FROM COPPER CONTAINING SCRAP BY ELECTROCHEMICAL TREATMENT OF THE SCRAP MATERIAL. THIS DISCLOSURE HAS PARTICULAR REFERENCE TO THE RECOVERY OF COPPER VALUES FROM COMPOSITE MATERIALS.
Inventors
- 👤 Michael J Pryor
- 👤 Stephen F Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:21
CPC Classifications
C; C25; C25C; C25C1/00; C25C1/12; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |