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US3564718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic plotter
Assignee: Individual
•
Filing: 1969-03-25
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Granted: 1971-02-23
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Expires: 1989-03-25
Abstract
Abstract DISCLOSED IS A METHOD AND GRAPHIC PLOTTING APPARATUS FOR DESIGNING AND ANALYZING LOGIC CIRCUITS. A TEMPLATE OVERLAY HAVING A PLURALITY OF PRECISELY LOCATED APERTURES, AN ENLARGED WINDOW, AND A NUMBER OF STANDARD LOGIC SYMBOL CUTOUTS IS DISPOSED OVER A WORKSHEET HAVING A PLURALITY OF KARNAUGH MAPS THEREON. THE REGISTERATION OF THE TEMPLATE APERTURES AND/OR ENLARGED WINDOW WITH THE CORRESPONDINGLY LOCATED MINTERMS OF THE KARNAUGH MAPS IS USED IN THE DESIGN AND ANALYSIS OF LOGIC CIRCUITRY.
Inventors
- 👤 George E Goode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:25
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/18; G09B23/183; G09B23/186; H; H03; H03K; H03K19/00; H03K19/0175; H03K19/017545; H03K19/02; H03K19/173
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |