US2746136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of aluminum and its alloys prior to electro-plating with lead
Assignee: Pechiney SA
•
Filing: 1952-07-24
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Granted: 1956-05-22
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Expires: 1972-07-24
Abstract
No abstract record available.
Inventors
- 👤 Richaud Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:40
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/42; C25D5/44; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12493; Y10T428/12701; Y10T428/12736; Y10T428/1275
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
AN ARTICLE OF ALUMINUM AND ALLOYS THEREOF COATED WITH A GRANULAR LAYER OF NICKEL FORMED BY CHEMICAL DEPOSITION AND, SUPERPOSED THEREON, AND ADHERENT DEPOSIT OF ELECTROLYTIC LEAD, SAID LEAD DEPOSIT BEING FREE OF BLISTES.
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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |