US2952792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal logic block
Assignee: International Business Machines Corp
•
Filing: 1959-09-11
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Granted: 1960-09-13
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Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Ernesto F Yhap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:59
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/173; H03K19/177; H03K19/17724; H03K19/17728; D; D04; D04B; D04B21/00; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H03K19/14; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/858; Y10S505/859
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |