US2964737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addressing circuit
Assignee: International Business Machines Corp
•
Filing: 1955-06-27
•
Granted: 1960-12-13
•
Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 Warren A Christopherson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:22
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734182A
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US2691153A
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US2691155A
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US2734184A
Cited
US2719961A
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US2768367A
Cited
US2846671A
Cited
US2884622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |