US3564514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Programmable logic apparatus
Assignee: Honeywell Inc
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Filing: 1969-05-23
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Granted: 1971-02-16
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Expires: 1989-05-23
Abstract
Abstract THIS DISCLOSURE SHOWS TWO EMBODIMENTS F A LOGIC CELL USING TWO AND FIVE BISTABLE MEMORY CELLS PER LOGIC CELL. THE STATES OF THE MEMORY CELLS CAN BE CHANGED OR PROGRAMMED TO PROVIDE A VARIETY OF ELEMENTARY LOGIC FUNCTIONS.
Inventors
- 👤 Dale C Gunderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:21
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/173; H03K19/1733; H03K19/0175; H03K19/0185; H03K19/018557; H03K19/16; H03K19/166
Claims Analysis
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |