Patent US2928601A successfully refreshed from Google Patents.
US2928601A
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Arithmetic units for decimal coded binary computers
Assignee: Raytheon Co
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Filing: 1952-03-25
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Granted: 1960-03-15
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Expires: 1972-03-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel L Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:40
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/492; G06F7/493; G06F7/494; G06F7/495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2538615A
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US2609143A
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US2623115A
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US2623171A
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US2703202A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |