US3064890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel input fast carry binary counter with feedback resetting means
Assignee: AT&T Inc
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Filing: 1961-05-29
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Granted: 1962-11-20
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas T Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/38; H03K23/00; H03K23/40; H03K23/50; H03K23/502; H03K23/505
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |