Patent US2560594A successfully refreshed from Google Patents.
US3021067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-sharing computer
Assignee: Unisys Corp
•
Filing: 1957-01-14
•
Granted: 1962-02-13
•
Expires: 1977-01-14
Abstract
No abstract record available.
Inventors
- 👤 Dale M Jahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/523; G06F7/525; G06F2207/00; G06F2207/38; G06F2207/3804; G06F2207/386; G06F2207/3884; G06F7/499; G06F7/49942; G06F7/49947
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |