Patent US2631688A successfully refreshed from Google Patents.
Patent US3018050A successfully refreshed from Google Patents.
US3018050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Economic data computer
Assignee: Westinghouse Electric Corp
•
Filing: 1958-04-29
•
Granted: 1962-01-23
•
Expires: 1978-04-29
Abstract
No abstract record available.
Inventors
- 👤 Robert F Barrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:41
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/52; G06Q; G06Q40/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1573850A
Cited
US2244369A
Cited
US2540807A
Cited
US2673030A
Cited
US2746417A
Cited
US2955761A
Cited
US2805636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |