US2798036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating of beryllium
Assignee: Individual
•
Filing: 1954-07-12
•
Granted: 1957-07-02
•
Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Utz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A PREPLATING TREATMENT FOR BERYLLIUM AND ALLOYS CONTAINING A MAJOR PORTION OF BERYLLIUM, COMPRISING DEGREASING SAID BERYLLIUM WITH A KETONE, RINSING SAID BERYLLIUM WITH WATER PRIOR TO EVAPORATION OF SAID KETONE, AND THEN SUBJECTING THE RESULTING WATER-WET BERYLLIUM TO A COBALT STRIKE IN A BATH COMPRISING AN AQUEOUS SOLUTION OF COBALT SULPHATE AND AMMONIUM SULPHATE.
References Cited (Backward Citations)
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Cited
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US2406683A
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US2383434A
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US2470775A
Cited
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Cited
US2729601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |