Patent US2649409A successfully refreshed from Google Patents.
US2649409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of selenium
Assignee: STC PLC
•
Filing: 1943-07-30
•
Granted: 1953-08-18
•
Expires: 1963-07-30
Abstract
No abstract record available.
Inventors
- 👤 Hippel Arthur Von
- 👤 Mortimer C Bloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:51
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/0431; C; C01; C01B; C01B19/00; C01B19/02; C25; C25D; C25D3/00; C25D3/02; C25D3/54; H10P; H10P14/00; H10P14/20; H10P14/34; H10P14/3402; H10P14/38; H10P14/3802; C01P; C01P2006/00; C01P2006/32; C01P2006/33; C01P2006/40; C01P2006/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1743160A
Cited
DE525664C
Cited
US2197497A
Cited
US2266922A
Cited
US2202532A
Cited
US2408116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |