US2519513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary counting circuit
Assignee: Individual
•
Filing: 1948-09-09
•
Granted: 1950-08-22
•
Expires: 1968-09-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/14; G; G11; G11C; G11C19/00; G11C19/02; G11C19/04; H03; H03F; H03F9/00; H03F9/02; H03K; H03K23/00; H03K23/76; H03K3/00; H03K3/02; H03K3/45; H03K3/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1824577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |