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Patent US2920312A successfully refreshed from Google Patents.
US2920312A
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US
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Magnetic symbol generator
Assignee: Laboratory For Electronics Inc
•
Filing: 1953-08-13
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Granted: 1960-01-05
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Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Gordon
- 👤 Wang An
- 👤 Renato N Nicola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:40
CPC Classifications
G; G11; G11C; G11C17/00; G11C17/02; G09; G09G; G09G1/00; G09G1/06; G09G1/14; G09G1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2614167A
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US2730694A
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US2657377A
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US2657378A
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US2691156A
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US2708267A
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US2719965A
Cited
US2732542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |