US3543248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optical memory means and apparatus
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1967-04-19
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Granted: 1970-11-24
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Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 Donald S Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:52
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/40; G01R13/404; G01R13/405; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/30; G11; G11C; G11C11/00; G11C11/21; G11C11/22; G09G2300/00; G09G2300/08; G09G2300/088; G09G2300/0885; G09G2360/00; G09G2360/14; G09G2360/145; G09G2360/147; G09G2360/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2912592A
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US3341826A
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US3407394A
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US3440620A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |