Patent US3068366A successfully refreshed from Google Patents.
US3068366A
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Unipolar generator
Assignee: International Business Machines Corp
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Filing: 1958-06-30
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Granted: 1962-12-11
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Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Brunschweiger Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:20
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2898478A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |