Patent US3487304A successfully refreshed from Google Patents.
US3487304A
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Sequential test apparatus for electrical circuits including a digital controlled analog test signal generating unit
Assignee: Textron Systems Corp
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Filing: 1968-02-02
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Granted: 1969-12-30
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Expires: 1988-02-02
Abstract
No abstract record available.
Inventors
- 👤 James D Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/28; G01R31/317; G01R31/3181; G01R31/319; G01R31/31917; H; H03; H03M; H03M1/00; H03M1/10; H03M1/1071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3237100A
Cited
US3286175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |