Patent US3031585A successfully refreshed from Google Patents.
US3031585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gating circuits for electronic computers
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1956-11-01
•
Granted: 1962-04-24
•
Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Frady William Ensign
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:01
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2293135A
Cited
US2537843A
Cited
US2535377A
Cited
US2597796A
Cited
US2651718A
Cited
US2627039A
Cited
US2601096A
Cited
US2594449A
Cited
US2712065A
Cited
US2785304A
Cited
US2730632A
Cited
US2663800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |