Patent US2926319A successfully refreshed from Google Patents.
US2926319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer coil
Assignee: Blaupunkt Werke GmbH
•
Filing: 1953-04-08
•
Granted: 1960-02-23
•
Expires: 1973-04-08
Abstract
No abstract record available.
Inventors
- 👤 Schneider Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:27
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/323
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1745812A
Cited
US1975750A
Cited
US2053133A
Cited
US2092779A
Cited
US2118924A
Cited
US2225034A
Cited
US2418354A
Cited
US2444737A
Cited
US2534119A
Cited
US2479400A
Cited
US2526888A
Cited
US2639319A
Cited
US2654060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |