US3477063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controller for data processing system
Assignee: International Business Machines Corp
•
Filing: 1967-10-26
•
Granted: 1969-11-04
•
Expires: 1987-10-26
Abstract
No abstract record available.
Inventors
- 👤 David W Anderson
- 👤 Francis J Sparacio
- 👤 Robert M Tomasulo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:29
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/38; G06F9/3824
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3302178A
Cited
US3134091A
Cited
US3239816A
Cited
US3222649A
Cited
US3266022A
Cited
US3239820A
Cited
US3251042A
Cited
US3245047A
Cited
US3305842A
Cited
US3340513A
Cited
US3343140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |