Patent US3024422A successfully refreshed from Google Patents.
US3024422A
Expired / Lapsed
US
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Circuit arrangement employing transistors
Assignee: US Philips Corp
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Filing: 1958-07-01
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Granted: 1962-03-06
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Jansson Leonard Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:43
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/45; H03F3/45071; H03F3/45076; H03F3/4508; H03F3/45085; H03F3/45089; H03F1/00; H03F1/08; H03F1/22; H03F3/26; H03F3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2310342A
Cited
US2794076A
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US2926307A
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US2764643A
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US2835750A
Cited
US2888525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |