US3408637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Address modification control arrangement for storage matrix
Assignee: International Business Machines Corp
•
Filing: 1964-07-20
•
Granted: 1968-10-29
•
Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Robert G Gibson
- 👤 Richard A Steigerwald
- 👤 Richard A Ide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:34
CPC Classifications
G; G11; G11C; G11C7/00; G11C7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2882517A
Cited
US3069658A
Cited
US3054988A
Cited
US2920315A
Cited
US3068452A
Cited
US3195114A
Cited
US3160858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |