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 06:19
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1745812A
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US1975750A
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US2053133A
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US2092779A
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US2118924A
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US2225034A
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US2418354A
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US2444737A
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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 |