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US3025469A
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Phantastron circuit with output waveform linearization means
Assignee: AT&T Inc
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Filing: 1958-06-10
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Granted: 1962-03-13
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Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick R Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:23
CPC Classifications
H; H03; H03K; H03K9/00; H03K9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2410920A
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US2428926A
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US2549875A
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US2554172A
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US2867721A
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US2824960A
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US2835815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |