US3088056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic and memory circuit units
Assignee: AT&T Inc
•
Filing: 1959-12-09
•
Granted: 1963-04-30
•
Expires: 1979-12-09
Abstract
No abstract record available.
Inventors
- 👤 Tevonian Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:15
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K23/00; H03K23/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187115A
Cited
US2417831A
Cited
US2549769A
Cited
US2483723A
Cited
US2981810A
Cited
US2995637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |