US3467897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Housing arrangement for rectifier device
Assignee: Siemens AG
•
Filing: 1966-04-20
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Granted: 1969-09-16
•
Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Manfred Hoffmann
- 👤 Roland Wendelin
- 👤 Erich Katscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:57
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/43; H10W40/47; H10W40/60; H10W40/611; H10W42/00; H10W42/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2907935A
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US3206646A
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US3280389A
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US3179814A
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FR1381184A
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US3289068A
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US3310716A
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US3371227A
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US3293508A
Cited
US3340413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |