Patent US3023151A successfully refreshed from Google Patents.
US3023151A
Expired / Lapsed
US
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Nickel electroplating baths
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1960-05-02
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Granted: 1962-02-27
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Strauss Wennemar
- 👤 Michael Gregor
- 👤 Willmund Wolf-Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:57
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A WATTS-TYPE NICKEL ELECTROPLATING BATH FOR OBTAINING NICKEL ELECTRODEPOSITS FREE FROM DULL AND HAZY AREAS HAVING DISSOLVED THEREIN AN N-SULFONYL CARBOXYLIC ACID AMIDE COMPOUND HAVING A STRUCTURAL FORMULA SELECTED FROM THE GROUP OF CONSISTING OF:
Claim 2
Dependent Claim
35 words
A WATTS-TYPE NICKEL ELECTROPLATING BATH FOR OBTAINING NICKEL ELECTRODEPOSITS FREE FROM DULL AND HAZY AREAS HAVING DISSOLVED THEREIN AN N-SULFONYL CARBOXYLIC ACID AMIDE COMPOUND HAVING A STRUCTURAL FORMULA SELECTED FROM THE GROUP OF CONSISTING OF:
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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |