US2944165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semionductive device powered by light
Assignee: Individual
•
Filing: 1956-11-15
•
Granted: 1960-07-05
•
Expires: 1976-11-15
Abstract
No abstract record available.
Inventors
- 👤 Otmar M Stuetzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:25
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; G; G01; G01R; G01R31/00; G01R31/26; H03; H03F; H03F1/00; H03F1/02; H10; H10F; H10F99/00; Y; Y10; Y10S; Y10S136/00; Y10S136/291
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |