Patent US5520691A successfully refreshed from Google Patents.
US2885564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logical circuit element
Assignee: NCR Voyix Corp
•
Filing: 1957-03-07
•
Granted: 1959-05-05
•
Expires: 1977-03-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Temple G Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:32
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |