US3021267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plating bath and process
Assignee: EIDP Inc
•
Filing: 1960-08-03
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Granted: 1962-02-13
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Expires: 1980-08-03
Abstract
No abstract record available.
Inventors
- 👤 Berzins Talivaldis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:38
CPC Classifications
C; C23; C23F; C23F1/00; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C25; C25D; C25D1/00; C25D1/04; C25D3/00; C25D3/02; C25D3/04; C25D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN AQUEOUS ELECTROLYTIC PLATING BATH FOR THE PLATING OF BRIGHT CHROMIUM PLATE, SAID BATH COMPRISING A MIXTURE OF CHROMIC FORMATE, CHROMIC GLYCOLATE, FORMIC AND GLYCOLIC ACIDS, SODIUM FORMATE AND SODIUM GLYCOLATE, SODIUM FLUORIDE, AND BORIC ACID, SAID BATH HAVING A PH OF BETWEEN 2.7 AND 4.5 AND CONTAINING, PER LITER, A TOTAL OF BETWEEN 0.1 AND 1 GRAM-MOLE OF SAID CHROMIC CARBOXYLATES, A TOTAL OF BETWEEN 0.6 AND 7 GRAM-MOLES OF SAID SODIUM CARBOXYLATES AND CARBOXYLIC ACIDS, BETWEEN 0.2 AND 2 GRAM-MOLES OF BORIC ACID AND BETWEEN 0.2 AND 5 GRAM-MOLES OF SODIUM FLUORIDE.
Claim 2
Dependent Claim
94 words
AN AQUEOUS ELECTROLYTIC PLATING BATH FOR THE PLATING OF BRIGHT CHROMIUM PLATE, SAID BATH COMPRISING A MIXTURE OF CHROMIC FORMATE, CHROMIC GLYCOLATE, FORMIC AND GLYCOLIC ACIDS, SODIUM FORMATE AND SODIUM GLYCOLATE, SODIUM FLUORIDE, AND BORIC ACID, SAID BATH HAVING A PH OF BETWEEN 2.7 AND 4.5 AND CONTAINING, PER LITER, A TOTAL OF BETWEEN 0.1 AND 1 GRAM-MOLE OF SAID CHROMIC CARBOXYLATES, A TOTAL OF BETWEEN 0.6 AND 7 GRAM-MOLES OF SAID SODIUM CARBOXYLATES AND CARBOXYLIC ACIDS, BETWEEN 0.2 AND 2 GRAM-MOLES OF BORIC ACID AND BETWEEN 0.2 AND 5 GRAM-MOLES OF SODIUM FLUORIDE.
References Cited (Backward Citations)
US1844751A
Cited
US1922853A
Cited
US1799851A
Cited
GB292094A
Cited
US2517441A
Cited
US2748069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |