Patent US3498693A successfully refreshed from Google Patents.
US3498693A
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US
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Radiation translating devices
Assignee: Zenith Electronics LLC
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Filing: 1967-01-24
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Granted: 1970-03-03
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Michael E Fein
- 👤 Joseph Markin
- 👤 Alan Sobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/28; G02B5/284; G02F; G02F1/00; G02F1/01; G02F1/21; G02F1/29; G02F1/31; H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/08059; H01S3/10; H01S3/105
Claims Analysis
Total Claims: 0
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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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |