US2578256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coincidence-integrating circuit
Assignee: Individual
•
Filing: 1946-04-24
•
Granted: 1951-12-11
•
Expires: 1966-04-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward F Macnichol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:32
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/126; G; G01; G01S; G01S13/00; G01S13/66; G01S13/70; H03; H03L; H03L7/00; H03L7/06; H03L7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2412632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |