Patent US3023150A successfully refreshed from Google Patents.
US3023150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bath for the production of metal electroplates
Assignee: Dehydag Deutsche Hydrierwerke GmbH
•
Filing: 1959-07-24
•
Granted: 1962-02-27
•
Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Willmund Wolf-Dieter
- 👤 Strauss Wennenar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:23
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AN ELECTROPLATING BATH FOR PRODUCING BRIGHT ELECTRODEPOSITS OF METALS SELECTED FROM THE GROUP CONSISTING OF COPPER, ZINC, CADMIUM, TIN, BRASS, BRONZE, SILVER AND GOLD, COMPRISING A SOLUTION OF A SALT OF THE METAL TO BE DEPOSITED AND AS A BRIGHTENING AGENT A WATER SOLUBLE SULFONIC ACID OF THE GENERAL FORMULA
Claim 2
Dependent Claim
50 words
AN ELECTROPLATING BATH FOR PRODUCING BRIGHT ELECTRODEPOSITS OF METALS SELECTED FROM THE GROUP CONSISTING OF COPPER, ZINC, CADMIUM, TIN, BRASS, BRONZE, SILVER AND GOLD, COMPRISING A SOLUTION OF A SALT OF THE METAL TO BE DEPOSITED AND AS A BRIGHTENING AGENT A WATER SOLUBLE SULFONIC ACID OF THE GENERAL FORMULA
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) | 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 |