Patent US2966466A successfully refreshed from Google Patents.
Patent US2930992A successfully refreshed from Google Patents.
US2930992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide band r-c oscillator
Assignee: DYNAC Inc
•
Filing: 1958-06-25
•
Granted: 1960-03-29
•
Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Robert E Rawlins
- 👤 Robert A Andersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:44
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/20; H03B5/22; H03B5/26; H03B5/28; H03J; H03J1/00; H03J1/02; H03J1/04; H03J1/042
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2765437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |