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US2970293A
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Assignee: Unisys Corp
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Filing: 1954-05-10
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Granted: 1961-01-31
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Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Jr John Presper Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:24
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2640164A
Cited
US2731203A
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US2697178A
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US2678965A
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US2709798A
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US2719962A
Cited
US2721947A
Cited
US2713675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |