US3465232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply unit with shielded transformer
Assignee: Fritz Hellige und Co GmbH
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Filing: 1967-03-20
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Granted: 1969-09-02
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 Paul Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:28
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/10; H04B1/1018; A; A61; A61B; A61B5/00; A61B5/24; A61B5/30; A61B5/301; H01; H01F; H01F27/00; H01F27/28; H01F27/288; H01F27/2885
Claims Analysis
Total Claims: 0
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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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |