US3432408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium plating electrolyte and method for preventing mist therein
Assignee: Udylite Corp
•
Filing: 1966-08-03
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Granted: 1969-03-11
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Expires: 1986-08-03
Abstract
No abstract record available.
Inventors
- 👤 Henry Brown
- 👤 Donald H Becking
- 👤 Sylvester P Valayil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:20
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/04; C25D3/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
IN A METHOD TO SUPPRESS MIST AND SPRAY FROM AQUEOUS ACID HEXAVALENT CHROMIUM PLATING BATHS, THE IMPROVEMENT WHICH COMPRISES THE ADDITION TO SAID BATH OF FROM 0.002 TO ABOUT 0.5 GRAM/LITER OF A SURFACE-ACTIVE COMPOUND REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
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US2750337A
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US2750335A
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US2846380A
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US3341434A
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US3342709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |