Patent US3412382A successfully refreshed from Google Patents.
US3412382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shared-access data processing system
Assignee: Massachusetts Institute of Technology
•
Filing: 1965-11-26
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Granted: 1968-11-19
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 John F Couleur
- 👤 Edward L Glaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:41
CPC Classifications
G; G06; G06F; G06F12/00; G06F12/02; G06F12/08; G06F12/10; G06F12/1027; G06F12/1036; G06F12/1045; G06F12/109; G06F2212/00; G06F2212/65; G06F2212/656
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |