US2784906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic digital computers with pulse widening means
Assignee: National Research Development Corp UK
•
Filing: 1952-04-10
•
Granted: 1957-03-12
•
Expires: 1972-04-10
Abstract
No abstract record available.
Inventors
- 👤 Davies Donald Watts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:17
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/504; G06F1/00; G06F1/04; G06F1/08; H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
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 |