Patent US2966302A successfully refreshed from Google Patents.
US2966302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital analogue multiplier
Assignee: Research Corp
•
Filing: 1956-08-09
•
Granted: 1960-12-27
•
Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Julius I Woolf
- 👤 Henry E Zieman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/66; H03M1/74; H03M1/742; H03M1/745; G; G06; G06J; G06J1/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2415190A
Cited
US2610295A
Cited
US2538615A
Cited
US2537427A
Cited
US2715678A
Cited
US2685084A
Cited
US2738504A
Cited
US2775727A
Cited
US2827233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |