US3008080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer for heavy duty rectifier equipment
Assignee: Maschinenfabrik Oerlikon AG
•
Filing: 1958-12-02
•
Granted: 1961-11-07
•
Expires: 1978-12-02
Abstract
No abstract record available.
Inventors
- 👤 Storsand Bjarne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:06
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529152A
Cited
US680421A
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US728970A
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GB281680A
Cited
US2193083A
Cited
US2442021A
Cited
US2489697A
Cited
US2830255A
Cited
US2813243A
Cited
US2918616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |