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US3490041A
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US
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Electronic fault finding system using acceptable limits testing
Assignee: COMMERCE USA
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Filing: 1964-08-28
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Granted: 1970-01-13
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Expires: 1984-08-28
Abstract
No abstract record available.
Inventors
- 👤 Gustave Shapiro
- 👤 George J Rogers
- 👤 Owen B Laug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/28; G01R31/317; G01R31/3181; G01R31/319; G01R31/3193
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2785377A
Cited
US2722659A
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US2940071A
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US2970260A
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US2929990A
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US3163849A
Cited
US3286232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |