Patent US3276979A successfully refreshed from Google Patents.
US3276979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baths and processes for the production of metal electroplates
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1962-08-23
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Granted: 1966-10-04
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Strauss Wennemar
- 👤 Willmund Wolf-Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:23
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AN ELECTROPLATING BATH FOR PRODUCING BRIGHT AND LEVEL ELECTRODEPOSITS OF METALS SELECTED FROM THE GROUP CONSISTING OF COPPER, NICKEL AND ZINC COMPRISING AN ACID AQUEOUS SOLUTION OF THE METAL TO BE ELECTRODEPOSITED AND AN ADDITIVE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
39 words
AN ELECTROPLATING BATH FOR PRODUCING BRIGHT AND LEVEL ELECTRODEPOSITS OF METALS SELECTED FROM THE GROUP CONSISTING OF COPPER, NICKEL AND ZINC COMPRISING AN ACID AQUEOUS SOLUTION OF THE METAL TO BE ELECTRODEPOSITED AND AN ADDITIVE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
DE888493C
Cited
US2937978A
Cited
US2837472A
Cited
US2849351A
Cited
US2830014A
Cited
GB873753A
Cited
BE572016A
Cited
BE572186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |