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US2857586A
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Logical magnetic circuits
Assignee: Unisys Corp
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Filing: 1954-04-08
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Granted: 1958-10-21
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Expires: 1974-04-08
Abstract
No abstract record available.
Inventors
- 👤 Wylen Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16; G; G06; G06F; G06F7/00; G06F7/38; G06F7/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2729807A
Cited
US2695993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |