US2802203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic memory system
Assignee: TELEMETER MAGNETICS AND ELECTR
•
Filing: 1955-03-08
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Granted: 1957-08-06
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Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Stuart-Williams Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06035; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2740949A
Cited
US2719965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |