Patent US2479821A successfully refreshed from Google Patents.
US2862416A
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Light intensity measuring device including semiconductor translating circuit
Assignee: General Electric Co
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Filing: 1954-06-09
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Granted: 1958-12-02
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Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Doyle William Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:11
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; G01J1/44; H; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1203; H03B5/1231; H03B5/1237; H03B5/1271
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1466701A
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US1899026A
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US1822061A
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US2098217A
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US2560606A
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US2640901A
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US2702838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |