Patent US5925023A successfully refreshed from Google Patents.
US3391394A
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US
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Microprogram control for a data processing system
Assignee: International Business Machines Corp
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Filing: 1965-10-22
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Granted: 1968-07-02
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Ottaway
- 👤 Painke Helmut
- 👤 Ragland Thomas
- 👤 Scheler Titus
- 👤 Will Helmut
- 👤 William V Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:22
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/22; G06F9/26; G06F9/262; G06F9/264; G06F9/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3208047A
Cited
US3234519A
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US3239816A
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US3130299A
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US3261000A
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US3284778A
Cited
US3274562A
Cited
US3325785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |