US2986274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor burn-out test set
Assignee: AT&T Inc
•
Filing: 1957-04-03
•
Granted: 1961-05-30
•
Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Minchenko George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:44
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/01; G01R31/013; G01R31/016; Y; Y10; Y10S; Y10S209/00; Y10S209/919; Y10S209/941
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1832948A
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US2031840A
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US2321191A
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US2362691A
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US2589070A
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US2771992A
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US2736862A
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US2796986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |