US2968797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core binary counter system
Assignee: Individual
•
Filing: 1959-11-20
•
Granted: 1961-01-17
•
Expires: 1979-11-20
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Sard
- 👤 Salz Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:57
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/76; G; G11; G11C; G11C19/00; G11C19/02; G11C19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2742632A
Cited
US2935735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |