US2889522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuned transformer assembly
Assignee: Arris Technology Inc
•
Filing: 1953-08-05
•
Granted: 1959-06-02
•
Expires: 1973-08-05
Abstract
No abstract record available.
Inventors
- 👤 Vincent P Friberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/0153; H03H7/0161; H03H7/0169; H03H7/0184
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1181623A
Cited
US1526664A
Cited
US2143369A
Cited
US2105296A
Cited
US2166205A
Cited
US2279826A
Cited
US2336091A
Cited
US2369177A
Cited
US2435630A
Cited
US2452560A
Cited
US2552999A
Cited
US2626318A
Cited
US2470826A
Cited
US2544508A
Cited
US2628271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |