Patent US3457425A successfully refreshed from Google Patents.
US3457425A
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Optical correlator modulating light twice in ultrasonic light modulator
Assignee: Applied Biosystems Inc
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Filing: 1966-02-24
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Granted: 1969-07-22
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Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Kendall Preston Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:04
CPC Classifications
G; G06; G06E; G06E3/00; G06E3/001; G02; G02F; G02F1/00; G02F1/01; G02F1/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2158990A
Cited
US2153490A
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US2287587A
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US2623942A
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US2623165A
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US2943315A
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US3088113A
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US3174044A
Cited
US3189746A
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US3306977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |