Patent US3444058A successfully refreshed from Google Patents.
US3444058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of refractory metals
Assignee: Union Carbide Corp
•
Filing: 1968-04-08
•
Granted: 1969-05-13
•
Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey W Mellors
- 👤 Seymour Senderoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:11
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/66
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1842254A
Cited
US1927773A
Cited
US2820745A
Cited
US2786809A
Cited
GB791153A
Cited
GB824316A
Cited
US2985569A
Cited
US3028324A
Cited
US2920021A
Cited
US3024174A
Cited
US2984605A
Cited
US3124520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |