US2849351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating process
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1954-07-08
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Granted: 1958-08-26
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Expires: 1974-07-08
Abstract
No abstract record available.
Inventors
- 👤 Gundel Wolfgang
- 👤 Strauss Wennemar
- 👤 Haas Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:58
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/58; C25; C25D; C25D3/00; C25D3/02; C25D7/00; C25D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN ELECTROPLATING BATH FOR PRODUCING DEPOSITS OF METALS SELECTED FROM THE GROUP CONSISTING OF NICKEL, COPPER, ZINC, SILVER, BRONZ AND BRASS, COMPRISING AN ACID SOLUTION OF AN INORGANIC SALT OF THE METAL TO BE DEPOSITED AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC SULFONIC ACIDS HAVING THE GENERAL STRUCTURAL FORMULA
Claim 2
Dependent Claim
52 words
AN ELECTROPLATING BATH FOR PRODUCING DEPOSITS OF METALS SELECTED FROM THE GROUP CONSISTING OF NICKEL, COPPER, ZINC, SILVER, BRONZ AND BRASS, COMPRISING AN ACID SOLUTION OF AN INORGANIC SALT OF THE METAL TO BE DEPOSITED AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC SULFONIC ACIDS HAVING THE GENERAL STRUCTURAL 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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |