US2978175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Program control system for electronic digital computers
Assignee: International Business Machines Corp
•
Filing: 1954-02-05
•
Granted: 1961-04-04
•
Expires: 1974-02-05
Abstract
No abstract record available.
Inventors
- 👤 Newman Edward Arthur
- 👤 Clayden David Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06; G06F3/0601; G06F15/00; G06F15/76; G06F15/78; G06F3/0602; G06F3/0604; G06F3/0628; G06F3/0629; G06F3/0635; G06F3/0668; G06F3/0671; G06F3/0673; G06F3/0674; G06F3/0676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2652554A
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US2652196A
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US2810516A
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US2764750A
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US2799449A
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US2800277A
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BE507259A
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GB732221A
Cited
US2639859A
Cited
US2797862A
Cited
US2675427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |