US3427181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deposition of gold on a tin nickel surface
Assignee: Ferranti International PLC
•
Filing: 1965-09-14
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Granted: 1969-02-11
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Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Christopher Haydn Lowery
- 👤 Geoffrey Charles Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:52
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/24; H05K3/244; C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/1803; C23C18/1824; C23C18/1837; C23C18/1844; C23C18/31; C23C18/42; C23C18/44; H05K2203/00; H05K2203/07; H05K2203/0703; H05K2203/072
Claims Analysis
Total Claims: 0
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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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |