US3098019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of zinc
Assignee: American Zinc Lead and Smelting Co
•
Filing: 1962-03-09
•
Granted: 1963-07-16
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Richard F Pagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:08
CPC Classifications
C; C25; C25C; C25C1/00; C25C1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN THE METHOD OF ELECTROLYTICALLY DEPOSITING HIGH QUALITY ZINC, THE STEP COMPRISING ADDING TO AN ACIDIC ZINC ELECTROLYTE A QUANTITY OF A HALOGENATED P-BENZOQUINONE WITHIN THE RANGE OF 0.0001 AND 0.1 GRAM PER LITER OF SAID ELECTROLYTE.
Claim 2
Dependent Claim
37 words
IN THE METHOD OF ELECTROLYTICALLY DEPOSITING HIGH QUALITY ZINC, THE STEP COMPRISING ADDING TO AN ACIDIC ZINC ELECTROLYTE A QUANTITY OF A HALOGENATED P-BENZOQUINONE WITHIN THE RANGE OF 0.0001 AND 0.1 GRAM PER LITER OF SAID ELECTROLYTE.
References Cited (Backward Citations)
US2407489A
Cited
US2600352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |