Patent US2934707A successfully refreshed from Google Patents.
US2934707A
Expired / Lapsed
US
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Multiar circuit
Assignee: TDK Micronas GmbH
•
Filing: 1953-08-28
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Granted: 1960-04-26
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Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
- 👤 Heiser William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
H; H03; H03K; H03K7/00; H03K7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468058A
Cited
US2540923A
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US2466044A
Cited
US2605332A
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US2726329A
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US2779870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |