US3298938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of zinc
Assignee: KH Neochem Co Ltd
•
Filing: 1964-06-10
•
Granted: 1967-01-17
•
Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Shibasaki Yasuichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:13
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
IN A PROCESS FOR ELECTRODEPOSITING ZINC WHEREIN AN ELECTRIC CURRENT IS PASSED FROM A ZINC ANODE TO A CATHODE ON WHICH THE ZINC IS TO BE ELECTRODEPOSITED THROUGH AN AQUEOUS ELECTROLYTE SOLUTION, THE IMPROVEMENT WHEREIN THE SAID SOLUTION CONSISTS ESSENTIALLY OF WATER, ZINC GLUCONATE, AND SUFFICIENT AMMONIA TO GIVE A PH OF 7.5 TO 10.
Claim 2
Dependent Claim
55 words
IN A PROCESS FOR ELECTRODEPOSITING ZINC WHEREIN AN ELECTRIC CURRENT IS PASSED FROM A ZINC ANODE TO A CATHODE ON WHICH THE ZINC IS TO BE ELECTRODEPOSITED THROUGH AN AQUEOUS ELECTROLYTE SOLUTION, THE IMPROVEMENT WHEREIN THE SAID SOLUTION CONSISTS ESSENTIALLY OF WATER, ZINC GLUCONATE, AND SUFFICIENT AMMONIA TO GIVE A PH OF 7.5 TO 10.
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |