US2433402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selenium cell and lacquer therefor
Assignee: STC PLC
•
Filing: 1942-07-02
•
Granted: 1947-12-30
•
Expires: 1962-07-02
Abstract
No abstract record available.
Inventors
- 👤 Saslaw Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:23
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/048; H10D48/049; H10D48/043; H10D48/046; H10P; H10P14/00; H10P14/20; H10P14/26; H10P14/263; H10P14/34; H10P14/3402; H10P14/38; H10P14/3802
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1544809A
Cited
US1521876A
Cited
US2137428A
Cited
US2017842A
Cited
US2139731A
Cited
US2134131A
Cited
US2132869A
Cited
US2126765A
Cited
US2197497A
Cited
US2386750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |