US2954485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor binary counters with fast carry
Assignee: AT&T Inc
•
Filing: 1956-12-24
•
Granted: 1960-09-27
•
Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Royer R Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:43
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/40; H03K23/50; H03K23/502
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2535377A
Cited
US2601096A
Cited
US2594449A
Cited
US2774868A
Cited
US2764343A
Cited
US2663800A
Cited
FR1119709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |