Patent GB703189A successfully refreshed from Google Patents.
US3354321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix selection circuit with automatic discharge circuit
Assignee: Unisys Corp
•
Filing: 1963-08-16
•
Granted: 1967-11-21
•
Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Meyer Carl Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:14
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/04; H03K17/041; H03K17/0416; H03K17/04166
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A MATRIX SELECTION CIRCUIT COMPRISING: A FIRST CIRCUIT, A PLURALITY OF SECOND CIRCUITS, MEANS COUPLING SAID FIRST CIRCUIT WITH EACH OF SAID SECOND CIRCUITS, A PLUALITY OF THIRD CIRCUITS, EACH DIFFERENT ONE OF SAID THIRD CIRCUITS BEING COUPLED TO A DIFFERENT ONE OF SAID SECOND CIRCUITS AS WELL AS TO SAID FIRST CIRCUIT BY A CONNECTION MEANS, A LOAD CONNECTED TO THE CONNECTION MEANS BETWEEN SAID SECOND AND THIRD CIRCUITS, MEANS TO ENERGIZE SIMULTANEOUSLY SAID FIRST CIRCUIT AND ANY ONE OF SAID SECOND CIRCUITS THEREBY CAUSING SAID LOAD TO BE ENERGIZED, AFTER WHICH THE DISTRIBUTED CAPACITANCE ASSOCIATED WITH EACH SELECTED LOAD AND WHICH BECOMES CHARGED UP IS AUTOMATICALLY DISCHARGED BY MEANS OF SAID THIRD CIRCUIT.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |