US3082062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of ferric chloride from ironaluminum chloride solutions
Assignee: Rohm and Haas Co
•
Filing: 1958-11-18
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Granted: 1963-03-19
•
Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert F Preuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:50
CPC Classifications
B; B01; B01J; B01J41/00; B01J41/20; C; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/28; C22B3/282; C01; C01F; C01F7/00; C01F7/48; C01F7/56; C01F7/62; C01G; C01G49/00; C01G49/10; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
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
Claim 2
Dependent Claim
148 words
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
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |