US3381117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Minimal pin multipurpose logic circuits
Assignee: International Business Machines Corp
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Filing: 1965-08-02
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Granted: 1968-04-30
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Donald C Forslund
- 👤 Waxman Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:44
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/173; H03K19/1731; H03K19/1732; H03K19/1733
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |