US2785304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic registers for binary digital computing apparatus
Assignee: EMI Ltd
•
Filing: 1952-09-12
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Granted: 1957-03-12
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Expires: 1972-09-12
Abstract
No abstract record available.
Inventors
- 👤 Bruce John
- 👤 Huntley Keith Gordon
- 👤 White Eric Lawrence Casling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:08
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/20; G11C19/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2498908A
Cited
US2566078A
Cited
US2557186A
Cited
US2536808A
Cited
US2580711A
Cited
US2719227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |