US2776367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photon modulation in semiconductors
Assignee: Individual
•
Filing: 1952-11-18
•
Granted: 1957-01-01
•
Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 Lebovec Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:41
CPC Classifications
H; H10; H10P; H10P95/00; G; G02; G02F; G02F1/00; G02F1/01; G02F1/015; H10H; H10H20/00; H10H20/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A PHOTOMODULATOR COMPRISING A UNITARY CRYSTALLINE MATRIX INCLUDING SUBSTANTIAL AMOUNTS OF GERMANIUM AND SILICON SEPARATED BY A CONTINUOUS N-P BARRIER.
Claim 2
Dependent Claim
20 words
A PHOTOMODULATOR COMPRISING A UNITARY CRYSTALLINE MATRIX INCLUDING SUBSTANTIAL AMOUNTS OF GERMANIUM AND SILICON SEPARATED BY A CONTINUOUS N-P BARRIER.
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Cited
US2683794A
Cited
US2692950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |