Patent US2840801A successfully refreshed from Google Patents.
US2840801A
Expired / Lapsed
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Magnetic core information storage systems
Assignee: Lanteris Space LLC
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Filing: 1955-06-29
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Granted: 1958-06-24
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Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Beter
- 👤 William E Bradley
- 👤 Rubinoff Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:42
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06042; G06; G06F; G06F7/00; G06F7/38; G06F7/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |