US2690422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating of germanium
Assignee: GTE Sylvania Inc
•
Filing: 1950-08-05
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Granted: 1954-09-28
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Expires: 1970-08-05
Abstract
No abstract record available.
Inventors
- 👤 Szekely Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:59
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/54; H; H10; H10P; H10P14/00; H10P14/40; H10P14/46; H10P14/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A BATH SUITABLE FOR THE ELECTRODEPOSITION OF GERMANIUM AT TEMPERATURES BELOW 90* C. COMPRISING TETRACHLORIDE IN AN ALKYL GLYCOL WHOSE HYDROXYL GROUPS ARE PRESENT IN THE 1,2 POSITION.
Claim 2
Dependent Claim
28 words
A BATH SUITABLE FOR THE ELECTRODEPOSITION OF GERMANIUM AT TEMPERATURES BELOW 90* C. COMPRISING TETRACHLORIDE IN AN ALKYL GLYCOL WHOSE HYDROXYL GROUPS ARE PRESENT IN THE 1,2 POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |