US2965863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tuned cavity resonator
Assignee: AT&T Inc
•
Filing: 1956-06-19
•
Granted: 1960-12-20
•
Expires: 1976-06-19
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Fay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:20
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/08; H01J; H01J25/00; H01J25/02; H01J25/22; H01J25/24; H01P; H01P7/00; H01P7/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2845565A
Cited
US2051537A
Cited
US2402948A
Cited
GB674874A
Cited
US2784378A
Cited
US2743322A
Cited
US2700147A
Cited
US2825765A
Cited
US2705790A
Cited
US2802183A
Cited
US2820200A
Cited
US2757359A
Cited
US2873370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |