US3404375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination random access and mass store memory
Assignee: Raytheon Co
•
Filing: 1964-04-02
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Granted: 1968-10-01
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Richard L Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:19
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/14; G11C19/00; G11C19/02; G11C19/08; G11C19/0808; G11C19/0841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2770797A
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US2856595A
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US3122726A
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US3339191A
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US3116410A
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US3226691A
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US3167646A
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US3275992A
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US3328778A
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US3339190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |