US3113169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver reclaiming apparatus
Assignee: VERNA M O'BRIEN
•
Filing: 1961-02-23
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Granted: 1963-12-03
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Gene E O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:10
CPC Classifications
C; C22; C22B; C22B11/00; C22B11/04; C22B11/042; C22B11/046; B; B01; B01F; B01F27/00; B01F27/80; B01F27/91; B01F35/00; B01F35/40; B01F35/41; B01F35/411; B01F35/4111; B01F35/20; B01F35/30; B01F35/32; B01F35/321; B01F35/3214; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
APPARATUS FOR RECLAIMING SILVER FROM SILVER-CONTAINING SOLUTIONS COMPRISING A RECEPTACLE CONSTITUTING A CHAMBER AND HAVING AN UPPER PORTION FOR RECEIVING SILVER-CONTAINING SOLUTION AND A LOWER PORTION FOR RECEIVING SILVER PRECIPITATED FROM SAID SOLUTION IN SAID UPPER PORTION, AN INLET FOR ADMITTING SILVER-CONTAINING SOLUTION TO THE UPPER PORTION OF SAID CHAMBER, MEANS FOR INTRO-
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |