Patent US2992293A successfully refreshed from Google Patents.
US2992293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for generating two-dimensional density functions
Assignee: IIT Research Institute
•
Filing: 1958-06-27
•
Granted: 1961-07-11
•
Expires: 1978-06-27
Abstract
No abstract record available.
Inventors
- 👤 Scott H Cameron
- 👤 Harold H Kantner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/76
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2138577A
Cited
US2843447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |