Patent US1943109A successfully refreshed from Google Patents.
US2856595A
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Control apparatus for digital computing machinery
Assignee: Unisys Corp
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Filing: 1954-06-09
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Granted: 1958-10-14
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Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Ernst S Selmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:00
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2639859A
Cited
US2679638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |