US2934706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical stages for performing logical functions
Assignee: Ferranti International PLC
•
Filing: 1957-06-20
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Granted: 1960-04-26
•
Expires: 1977-06-20
Abstract
No abstract record available.
Inventors
- 👤 Johnson Kenneth Charles
- 👤 Scarrott Gordon George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:26
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA534648A
Cited
US1958954A
Cited
US2640105A
Cited
US2736880A
Cited
US2824222A
Cited
US2856526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |