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Patent US3342709A successfully refreshed from Google Patents.
US3342709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of chromium and anti-misting agents therefor
Assignee: M&T Chemicals Inc
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Filing: 1963-09-24
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Granted: 1967-09-19
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Johnson Andy Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:04
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/04; C25D3/10; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A NOVEL COMPOSITION CHARACTERIZED BY ITS ABILITY TO CONTROLLABLY DEVELOP AND MAINTAIN OVER AN EXTENDED PERIOD OF TIME A FIXED PREDETERMINED BLANKET OF FOAM WHICH CONSISTS ESSENTIALLY OF (A) 5-95 PARTS OF A DISULFONATED ALKYL DIPHENYL OXIDE HAVING THE FORMULA
Claim 2
Dependent Claim
40 words
IN THE PROCESS FOR EELCTROPLATING CHROMIUM FROM A CHROMIUM PLATING BATH, THE IMPROVEMENT WHICH COMPRISES MAINTAINING IN SAID BATH ABOUT 0.001-1.0 G./1. OF A COMPOSITION CONSISTING ESSENTIALLY OF (A) 5-95 PARTS OF A DISULFONATED ALKYL DIPHENYL OXIDE HAVING THE 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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |