Patent US3404384A successfully refreshed from Google Patents.
US3404384A
Expired / Lapsed
US
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Wire memory storage system
Assignee: Raytheon Co
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Filing: 1963-10-31
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Granted: 1968-10-01
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Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Richard L Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
G; G11; G11C; G11C5/00; G11C5/02; G11C11/00; G11C11/02; G11C11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3105962A
Cited
US3031648A
Cited
US3011158A
Cited
US3221312A
Cited
US3286242A
Cited
US3154769A
Cited
US3264621A
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 |