Patent US3016495A successfully refreshed from Google Patents.
US3016495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetostatic microwave devices
Assignee: AT&T Inc
•
Filing: 1958-12-05
•
Granted: 1962-01-09
•
Expires: 1978-12-05
Abstract
No abstract record available.
Inventors
- 👤 Ping K Tien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:33
CPC Classifications
H; H03; H03F; H03F7/00; H03F7/02; H01; H01P; H01P1/00; H01P1/10; H01P1/11
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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |