US2996674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency dividing circuits
Assignee: Individual
•
Filing: 1958-06-30
•
Granted: 1961-08-15
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Jan A Narud
- 👤 Winter Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:47
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16; H03K19/162; G; G11; G11C; G11C19/00; G11C19/02; G11C19/04; G11C19/12; G11C21/00; H01; H01P; H01P1/00; H01P1/10; H01P1/15; H03B; H03B19/00; H03B19/06; H03B19/08; H03B19/12; H03F; H03F7/00; H03F7/04; H03K25/00; H03K25/02; H03K25/04; H03K3/00; H03K3/02; H03K3/45; H03K3/47
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |