Patent US3028088A successfully refreshed from Google Patents.
US3028088A
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Multipurpose logical operations
Assignee: International Business Machines Corp
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Filing: 1956-09-25
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Granted: 1962-04-03
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Expires: 1976-09-25
Abstract
No abstract record available.
Inventors
- 👤 Dunham Bradford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:34
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/49
Claims Analysis
Total Claims: 0
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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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |