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US2913598A
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Transistor-core logical elements
Assignee: Unisys Corp
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Filing: 1955-11-04
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Granted: 1959-11-17
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Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 Robert D Torrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:06
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082; H03K19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2709798A
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US2797261A
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US2780767A
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US2807718A
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US2713674A
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US2806964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |